Author name: KashmirStudy

NN

📘 Study MCQs Q1. What happens when copper powder is heated in air? CBSE 2026 A. It melts. B. It turns white. C. Its surface gets coated with black copper(II) oxide. D. It evaporates. AnswerC. Its surface gets coated with black copper(II) oxide.Details When copper powder is heated in the presence of air (oxygen), it

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BADGE

📘 Study MCQs Q1. The primary function of red blood cells is to: NEET A. Fight infection B. Transport oxygen C. Clot blood D. Produce antibodies AnswerB. Transport oxygenDetails Red blood cells contain hemoglobin, a protein that binds to oxygen in the lungs and releases it to tissues throughout the body. Q2. Which of the

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