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Give two important uses of washing soda ...

Give two important uses of washing soda and baking soda.

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MODERN PUBLICATION-ACID, BASES AND SALTS-EXERCISE
  1. How is bleaching powder prepared? Give its uses.

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  2. What is the chemical formula of washing soda?

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  3. Give two important uses of washing soda and baking soda.

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  4. What happens when Bleachin powder reacts with dilute sulphuric acid?

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  5. What happens when Slaked lime reacts with chlorine?

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  6. What happens when solutions of sodium hydrogen carbonate is heated?

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  7. What is gypsum? What happens when gypsum is heated to 373K?

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  8. Give one use of each X-rays

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  9. What is bleaching powder? How its prepared? How does its react with CO...

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  10. What is bleaching powder? How its prepared? How does its react with CO...

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  11. Complete the following reactions: Ca(OH)2+Cl2rarr……………+…………..

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  12. Complete the following reaction : CaO + H2O rarr

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  13. Complete the following reactions: NaHCO3overset(Heat)rarr

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  14. Acids turn………..litmus solution to……………

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  15. Acid+Metal a salt+…………….. .

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  16. pH of acid solution is always ……………..than 7.

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  17. According to Arrhenius concept NaOH is base because it gives……………..ion...

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  18. pH of 10^-5 M HCl solution is……………..

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  19. HCl behaves as an acid because it turns………….litmus solution………………. .

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  20. Which gas is produced when metal carbonates and metal hydrogen carbona...

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