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Q1. What is the main purpose of refining crude petroleum?
Refining is the process of separating crude petroleum into various useful components (fractions) based on their different boiling points. This is done through fractional distillation. It does not change color, mix with water, or make the petroleum solid. The refined products like petrol, diesel, kerosene, and LPG are used as fuels and for various other purposes.
Q2. Which of these is considered a cleaner alternative fuel for vehicles?
CNG (Compressed Natural Gas) is considered a cleaner alternative fuel for vehicles. It burns more efficiently and produces fewer harmful pollutants like carbon monoxide, nitrogen oxides, and particulate matter. This makes it an environmentally friendly option compared to petrol, diesel, and kerosene. It is also cheaper and reduces engine wear.
Q3. What does the exhaustible nature of fossil fuels mean?
Fossil fuels are called exhaustible because they are available in limited quantities in nature and take millions of years to form. Once they are used up, they cannot be replenished quickly. This is why they are considered non-renewable resources. Their formation is a slow geological process, not something that can be done in a lab.
Q4. What does PCRA stand for?
PCRA is an Indian government organization that promotes the conservation and efficient use of petroleum products. It runs awareness campaigns, provides tips on saving fuel, and encourages people to adopt fuel-efficient practices. It does not regulate or control petroleum production; its focus is on conservation.
Q5. In which region of Ladakh is Borax found?
Borax is found in the Puga Valley region of Ladakh. This area is known for its geothermal activity and mineral deposits. Borax is a white crystalline mineral used in cleaning agents, glass, ceramics, and as a flux in welding. It is also found in other parts of Kashmir and Jammu.
Q6. Where are significant deposits of Cement stone found in Jammu?
Significant deposits of cement stone (limestone used for cement manufacturing) are found in the Reasi and Basohli regions of Jammu. This mineral is essential for the cement industry, which is a key sector in Jammu & Kashmir. Cement stone is also found in other parts of the region.
Q7. Which petroleum product is commonly used for surfacing roads?
Bitumen (also called asphalt) is a thick, black, semi-solid form of petroleum. It is commonly used for surfacing roads and waterproofing roofs. It is the heaviest fraction obtained during petroleum refining. It is not used as a fuel like LPG or kerosene, nor is it used for making candles like paraffin wax.
Q8. Which fuel is stored under high pressure in cylinders for cooking?
LPG (Liquefied Petroleum Gas) is stored under high pressure in cylinders as a liquid for domestic cooking. When the valve is opened, it turns into gas and burns at the burner. CNG is also stored under high pressure, but in vehicles, not typically for cooking. Coal and kerosene are not stored in this way.
Q9. In which area of Kashmir is China Clay found?
China clay (kaolin) is found in the Wuyan area of Kashmir. It is a white, soft clay used in making ceramics, porcelain, paper, and cosmetics. It is also used as a filler in rubber and plastic. China clay deposits are also found in Jammu regions like Chakhar and Tikri.
Q10. Which of these is a major advantage of using CNG?
A major advantage of CNG is that it is a cleaner-burning fuel. It produces fewer harmful emissions, including carbon monoxide, nitrogen oxides, and particulate matter, compared to petrol and diesel. This makes it more environmentally friendly. CNG is stored as a gas, not a liquid or solid, and is used in vehicles.
Q11. Where is Gypsum found in the Jammu region?
Gypsum is found in the Jammu region at places like Ramban, Batote, and Gool Gulab Garh. Gypsum is a mineral used to make plaster of Paris (POP), cement, and as a fertilizer. It is an important industrial mineral in the region. It is also found in Kashmir areas like Baramulla and Anantnag.
Q12. The process of separating petroleum into components is called what?
The process of separating petroleum into its various useful components (like petrol, diesel, kerosene) is called refining. It is done by fractional distillation, based on differences in boiling points. Carbonisation is the process of forming coal, condensation is the change from gas to liquid, and filtration is separating solids from liquids.
Q13. True or False: Fossil fuels can be made quickly in a laboratory.
Fossil fuels cannot be made quickly in a laboratory. They take millions of years to form naturally from the remains of ancient plants and animals under high pressure and temperature. Attempting to create them artificially is not feasible or practical. This is why they are considered non-renewable and exhaustible.
Q14. In which district of Jammu is Mica found?
Mica deposits are found in the Doda, Ramban, and Reasi districts of Jammu. Mica is a mineral that can be split into thin, transparent sheets. It is used in electrical insulation, electronics, paints, and cosmetics. It is an important mineral resource in the region.
Q15. What is a key characteristic of natural gas?
Natural gas is primarily composed of methane (CH₄). It is a colourless, odourless, and lighter-than-air gas. A strong smell is added (ethyl mercaptan) for safety to detect leaks. It is not a solid at room temperature. Methane is the simplest hydrocarbon and the main component of natural gas.
Q16. Why should we conserve petroleum products?
Petroleum products should be conserved because they are exhaustible (limited in quantity) and their use causes environmental pollution. Burning petroleum releases harmful gases that contribute to global warming and air pollution. Conservation helps extend their availability and reduce environmental damage. They are not unlimited or renewable.
Q17. Where in Kashmir are Graphite deposits located?
Graphite deposits are found in Kashmir at places like Braripora, Uri, and Kamah. Graphite is a soft, black, crystalline form of carbon used in making pencils, lubricants, and as a dry lubricant in machinery. It is also used in batteries and as a refractory material. It is also found in the Jammu region.
Q18. What is one simple tip PCRA gives to save petrol while driving?
PCRA recommends ensuring correct tyre pressure as a simple way to save petrol while driving. Proper tyre pressure reduces rolling resistance, which improves fuel efficiency. Other tips include switching off the engine at red lights, regular vehicle maintenance, and driving at a steady speed. High speeds and idling waste fuel.
Q19. Which mineral, found in Nurkhawan (Kashmir), is used as a pigment?
Ochre, found in Nurkhawan (Kashmir), is a natural clay pigment used to produce colours ranging from yellow to red. It is used in paints, dyes, and ceramics. It is not used for making plaster, electrical insulation, or lubricants like the other options. Ochre is a colouring agent.
Q20. True or False: CNG is more polluting than petrol.
CNG is less polluting than petrol. It burns more cleanly, producing fewer harmful emissions such as carbon monoxide, nitrogen oxides, and particulate matter. This is why CNG is promoted as a cleaner alternative fuel for vehicles. It is not more polluting; it is environmentally friendlier.
Q21. Where are Sulphur deposits found in Jammu & Kashmir?
Sulphur deposits are found in Puga Valley (Ladakh) and Anantnag (Kashmir). Sulphur is a yellow mineral used in making sulphuric acid, fertilizers, and matches. It is also used in the rubber industry and as a fungicide. These are specific locations where sulphur is mined in the region.
Q22. What is the primary use of coke obtained from coal?
Coke is primarily used as a reducing agent in the steel industry. It is used in blast furnaces to extract iron from iron ore. Coke is also used as a smokeless fuel in some industries. It is not used as a cooking fuel in homes (LPG is used), road construction (bitumen is used), or as a perfume.
Q23. In which region is Slate found?
Slate is found in the Ramsu, Banihal, and Ramban regions of Jammu. Slate is a fine-grained metamorphic rock used for roofing tiles, flooring, and as a decorative stone. It is also used in making blackboards. It is a common building material in the region. It is not found only in Puga Valley or Kargil.
Q24. What is a major benefit of using LPG over traditional fuels like wood?
A major benefit of using LPG over traditional fuels like wood is that it burns efficiently with less smoke. LPG is a clean-burning fuel that produces fewer pollutants and is more convenient. Wood produces a lot of smoke and causes indoor air pollution. LPG is safer and more efficient for cooking.
Q25. Where is Asbestos found in Jammu & Kashmir?
Asbestos is found in the Kargil region of Ladakh. Asbestos is a fibrous mineral used in insulation, roofing, and fireproofing materials. However, due to health risks, its use is now restricted in many places. It is an important mineral resource in the region, though mined in limited quantities.
Q26. The statement “Some Natural Resources are Limited” best applies to:
The statement “Some Natural Resources are Limited” applies to coal, petroleum, and minerals because they are exhaustible and non-renewable. They are present in finite quantities and take millions of years to form. Sunlight, wind, and air are inexhaustible (or renewable), and ocean water is also abundant, though its availability for drinking is limited.
Q27. Where is Marble found in Kashmir?
Marble is found in Kashmir at places like Drugmulla and Zirhama. Marble is a metamorphic rock used in construction, sculpture, and flooring. It is also found in other parts of the region, including the Jammu region (at Thatri, Reasi). It is a valuable building stone in Jammu & Kashmir.
Q28. What is the full form of CNG?
CNG stands for Compressed Natural Gas. It is natural gas that has been compressed to a high pressure to reduce its volume for storage and transport. It is used as a cleaner fuel in vehicles. It is not combustible (all gases are combustible), common, or condensed in the sense of being liquefied.
Q29. In which Jammu areas is China Clay found?
China clay (kaolin) is found in Jammu at places like Chakhar, Tikri, Salal, and Jangalgali. This white clay is used in making porcelain, ceramics, paper, and rubber. It is also found in Wuyan (Kashmir). China clay is an important industrial mineral in the region.
Q30. True or False: Kerosene is not a fossil fuel.
Kerosene is a fossil fuel. It is a petroleum product obtained from the fractional distillation of crude petroleum. It is used as a fuel for lamps, stoves, and jet engines (aviation turbine fuel). Since it comes from petroleum, which is a fossil fuel, kerosene is also considered a fossil fuel.
Q31. What is the main environmental reason for switching to CNG?
The main environmental reason for switching to CNG is to reduce air pollution. CNG burns more cleanly than petrol and diesel, producing fewer harmful pollutants. This helps improve air quality, especially in cities. It is not about increasing power, making vehicles louder, or using more fuel; it’s about reducing emissions.
Q32. Where is Graphite also found in the Jammu region?
Graphite is also found in the Kishtwar region of Jammu. Graphite is a form of carbon used in pencils, lubricants, and batteries. It is also found in Kashmir at Uri, Bararipora, and Kamah. The Kishtwar region is known for its mineral wealth, including graphite deposits.
Q33. An organization like PCRA is important because it:
PCRA is important because it encourages the wise and efficient use of petroleum products. It creates awareness about fuel conservation through campaigns, tips, and educational programs. It helps individuals and industries save fuel, reduce pollution, and cut costs. It does not promote waste, nor does it work exclusively for coal companies.
Q34. Where in Kashmir is Gypsum also found?
Gypsum is found in Kashmir at places like Lachhipura, Kathia Nullah, Baramulla, and Anantnag. Gypsum is a mineral used in making plaster of Paris, cement, and fertilizers. It is an important resource in the region. It is also found in Jammu at Ramban, Batote, and Gool Gulab Garh.
Q35. Which of these is an example of an inexhaustible natural resource?
Wind is an example of an inexhaustible natural resource. It is continuously available and cannot be depleted by human use. Coal, petroleum, and natural gas are exhaustible resources because they are limited in quantity and take millions of years to form. Wind energy is renewable and can be harnessed for power generation.
Q36. True or False: Coke is almost pure form of carbon.
Coke is almost a pure form of carbon. It is obtained by heating coal in the absence of air (destructive distillation). It contains about 85-95% carbon, along with some impurities. It is used as a fuel and as a reducing agent in the steel industry. It is a hard, porous, black substance.
Q37. Where is Sulphur also found in the Jammu region?
Sulphur is found in the Rajouri region of Jammu. Sulphur is a yellow mineral used in making sulphuric acid, fertilizers, and matches. It is also found in Puga Valley (Ladakh) and Anantnag (Kashmir). Rajouri is known for its mineral resources, including sulphur deposits.
Q38. What is the main use of Borax?
Borax is mainly used in cleaning agents, glass manufacturing, and ceramics. It is a white crystalline mineral used as a flux in welding, in detergents, and in making borosilicate glass. It is not used as a fuel, for making steel, or in road construction. It is found in Puga Valley (Ladakh) and other areas.
Q39. The formation of petroleum from ancient organisms required:
The formation of petroleum required high pressure and heat over millions of years. Ancient marine organisms (plankton) settled at the bottom of seas, were buried under sediments, and transformed into petroleum under intense heat and pressure. This is a very slow process. Exposure to sunlight and freezing temperatures did not play a role.
Q40. Where is Slate also found in Kashmir?
Slate is found in Kashmir, including in the Baramulla area. Slate is a fine-grained rock used in roofing and flooring. It is also found in Jammu at Ramsu, Banihal, and Ramban. The Baramulla region is known for its slate deposits, which are used in construction.
Q41. A key message from the concept that resources are limited is:
The key message from the concept that resources are limited is that we need to use them judiciously and find alternatives. This means conserving resources, reducing waste, and adopting renewable energy sources. Sustainable use ensures that resources last longer and helps protect the environment. Using them without thought is not sustainable.
Q42. Which of these is NOT a product of petroleum refining?
Coal gas is NOT a product of petroleum refining; it is obtained from the destructive distillation of coal. Bitumen, LPG, and diesel are all products obtained from the refining (fractional distillation) of petroleum. Coal gas is a mixture of gases (methane, hydrogen, carbon monoxide) produced from coal.
Q43. Where is Marble also found in Jammu?
Marble is found in Jammu, including at Thatri, Reasi. Marble is a valuable building stone used in construction and sculpture. It is also found in Kashmir at Drugmulla and Zirhama. The Thatri area in Jammu is known for its marble deposits, which are used in the local industry.
Q44. True or False: Coal tar is a mixture of various substances.
Coal tar is a mixture of various substances, including hydrocarbons, phenols, and aromatic compounds. It is a thick, black, foul-smelling liquid obtained during the destructive distillation of coal. It is used to make dyes, drugs, perfumes, and paints. It is not a pure substance but a complex mixture.
Q45. Cement stone is primarily used to make what?
Cement stone (limestone) is primarily used to make cement. It is a key raw material in the cement industry. When heated with clay and other materials, limestone forms clinker, which is then ground to make cement. It is not used to make glass, plastic, or paint. Cement stone is found in Reasi and Basohli in Jammu.
Q46. The PCRA likely creates awareness about:
PCRA creates awareness about fuel-efficient driving habits and conservation of petroleum products. It provides tips on how to save petrol and diesel while driving, such as maintaining correct tyre pressure, avoiding idling, and regular vehicle maintenance. It does not promote wasting electricity, using more plastic, or cutting down trees.
Q47. Which mineral’s distribution shows that resources are localized?
The distribution of graphite in specific areas like Uri shows that resources are localized. Unlike air, sunlight, and ocean water (which are widely available), minerals like graphite are found only in certain regions. This makes them localized resources. This is true for many minerals and fossil fuels.
Q48. What is the primary component of LPG?
The primary components of LPG (Liquefied Petroleum Gas) are butane and propane. These are hydrocarbon gases that are liquefied under pressure for storage and transport. Methane is the primary component of natural gas (CNG). Carbon dioxide and oxygen are not components of LPG.
Q49. Gypsum is essential for making:
Gypsum is essential for making Plaster of Paris (POP). When gypsum is heated, it loses water and becomes Plaster of Paris. This is used for making casts, decorative items, and in construction. Gypsum is also used as a fertilizer and in cement making. It is not used in steel, petrol, or graphite pencils.
Q50. The fact that fossil fuels are exhaustible natural resources implies:
The fact that fossil fuels are exhaustible natural resources implies that they can be exhausted if used unsustainably. This is why conservation is important. Fossil fuels are non-renewable and take millions of years to form. Using them at a rapid pace without considering alternatives will deplete them. They are very useful for energy, but their supply is limited.