📘 Important Questions – Acids, Bases and Salts
📚 Class 10 Science
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Why do acids not show acidic behaviour in the absence of water?
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What is the chemical name and formula of baking soda? Mention its one use
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Why does dry HCl gas not change the colour of dry litmus paper, but wet HCl does?
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How is plaster of Paris prepared? Write the balanced chemical equation.
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A solution turns red litmus blue. Its pH is likely to be: 6, 7, 8, or 4? Give reason.