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A substance X, which is an oxide of a gr...

A substance X, which is an oxide of a group 2 element, is used intensively in the cement industry. This element is present in bones also. On treatment with water it forms a solution which turns red litmus blue. Identify X and also write the chemical reactions involved.

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DINESH PUBLICATION-CHEMICAL REACTIONS AND EQUATIONS -Short Answer Questions
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  2. Identify the oxidising and reducing agent in the following reactions :...

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  3. A substance X, which is an oxide of a group 2 element, is used intensi...

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  4. Zinc liberates hydrogen gas when reacted with dilute hydrochloric acid...

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  5. A silver article generally turns black when kept in the open for a few...

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  6. What happens when a piece of : (a) zinc metal is added to copper sul...

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  7. (a) What is meant by a chemical reaction ? Explain with the help of an...

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  8. Write balanced chemical equations for the following reactions : (i) ...

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  9. "Oxidation and reduction processes occur simultaneously". Justify the ...

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  10. Write the balanced chemical equations for the following reactions and ...

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  11. Write the balanced chemical equations for the following reactions and ...

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  12. Complete the missing components/variables given as x and y in the foll...

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  13. Which among the following changes are exothermic or endothermic in nat...

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  14. Identify the reducing agent in the following reactions. (a) 4NH(3)+...

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  15. Identify the oxidising agent (oxidant) in the following reactions {:...

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  16. write the balanced chemical equations for the following reaction. (a...

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  17. A solution of potassium chloride when mixed with silver nitrate soluti...

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  18. Ferrous sulphate decomposes with the evolution of a gas having a char...

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  19. Why do fire flies glow at night?

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  20. Grapes hanging on the plant do not ferment but after being plucked fro...

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