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Write an equation to show the reaction b...

Write an equation to show the reaction between Plaster of Paris and water

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`underset("Plaster of Paris")(CaSO_(4) 1/2H_(2)O)+underset("Water")(1 1/2 H_(2)O)to underset ("Gypsum (sets as hard mass)")(CaSO_(4).2H_(2)O)`
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LAKHMIR SINGH & MANJIT KAUR-ACID, BASES AND SALTS-Exercise
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  3. Name the sodium compound which is used for softening hard water.

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  4. What will happen if a solution of sodium hydrocarbonate is heated? Giv...

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  5. Write an equation to show the reaction between Plaster of Paris and wa...

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  6. A solution turns blue litmus red. Its pH is likely to be:

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  7. A solution reacts with crushed egg-shells to give a gas that turns lim...

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  8. 10 mL of a solution of NaOH is found to be completely neutralised by 8...

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  9. Which one of the following types of medicines is used for treating ind...

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  10. Write word equations and then balanced equations for the reaction taki...

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  11. Compounds such as alcohols and glucose also contain hydrogen but are n...

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  12. Why does distilled water not conduct electricity, whereas rain water d...

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  13. Why do acids not show acidic behaviour in the absence of water?

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  14. Five solutions A,B,C,D and E when tested with universal indicator show...

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  15. Equal lengths of magnesium ribbons are taken in test tubes A and B. Hy...

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  16. Fresh milk has a pH of 6. How do you think the pH will change as it tu...

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  17. A milkman adds a very small amount of baking soda to fresh milk. (a)...

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  18. Plaster of Paris should be stored in a moisture-proof container. Expla...

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  19. What is a neutralisation reaction? Give two examples.

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

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