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What do you observed when zinc oxide heated and then cooled |
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Answer» Answer: When Zinc carbonate is heated which is a white POWDERY solid, gives carbon DIOXIDE and a yellow solid of zinc oxide. As it forms different PRODUCTS, it UNDERGOES chemical changes. On cooling yellow solid turns in to white, which is a physical change. The PROCESS involves both physical and chemical change. Explanation: MARK ME THE BRAINLIEST...... |
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