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plays a vital role in everday life ....

___plays a vital role in everday life .

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SURA PUBLICATION-TYPES OF CHEMICAL REACTONS-ADDITIONAL QUESTION & ANSWERS ( FILL IN THE BLANKS ) :
  1. is poured on a wound it decomposes into water and oxygen .

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  2. The reaction that cannot be reversed is called .

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  3. plays a vital role in everday life .

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  4. is a weak electrolyte.

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  5. All photo decomposition reaction are reactions.

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  6. is used for white washing walls .

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  7. Calcium hydroxide reacts slowly with carbon dioxide in air to ...

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  8. When calcium carbonate is heated , it breaks down into and .

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  9. Reaction , in which heat is absorbed , are called .

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  10. Sodium chloride decomposes into metallic sodium and chlorine g...

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  11. IF an iron nail is placed in an aqueous solution of copper sulp...

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  12. When two compounds react . If their ions are interchnged , then ...

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  13. One or more reactants combine to form a single product in react...

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  14. Single reactant is decomposed to form one or more products in ...

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  15. The compounds formed during a chemical reaction are .

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  16. The arrow indicates of a reaction .

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  17. In a chemical reaction , the atoms of the reacting molecules or e...

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  18. Bond breaking energy during a chemical reaction .

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  19. Bond formation energy during a chemical reaction .

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  20. Yellow precipipate of lead iodide from lead nitrate is an examp...

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