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(a) Give one example of a chemical react...

(a) Give one example of a chemical reaction.
(b) State two characteristic of the chemical reaction which takes place when dilute sulphuric acid is poured over zinc gramules.
(c ) Given two characteristics of the chemical reaction which occurs on adding potassium iodide solution to lead nitrate solution.

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LAKHMIR SINGH & MANJIT KAUR-CHEMICAL REACTIONS AND EQUATIONS -Exercise
  1. Balance the following equations: (i) Na+O(2)toNa(2)O (ii) H(2)O(2)...

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  2. Fill in the following blanks with suitable words : (a) Chemical equa...

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  3. (a) Give one example of a chemical reaction. (b) State two character...

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  4. (a) What is a chemical equation ?Example with the help of an example. ...

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  5. When hydrogen is passed over copper oxide, copper and steam are formed...

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  6. (a) What are the various ways in which a chemical equation can be made...

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  7. (a) What is a balanced chemical equation ? Why should chemical equatio...

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  8. (a) Explain with example, how the physical states of the reactants and...

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  9. Write any two observations in an activity which may suggest that a che...

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  10. (a) Aluminium hydroxide reacts with sulphuric acid to from aluminium s...

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  11. Write the balanced equations for the following reactions, and add the ...

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  12. Carbon monoxide reacts with hydrogen under certain conditions to from ...

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  13. (a) Potassium chlorate (KClO(3)) on heating forms potassium chloride a...

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  14. (a) Substitute formulae for names and balance the following equation: ...

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  15. Ammonia reacts with oxygen to from nitrogen and water. Write a balance...

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  16. Write a balanced chemical equation for the process of photosynthesis g...

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  17. Write the balanced equation for the following chemical reactions. (i...

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  18. When potassium nitrate is heated. It decomposes into potassium nitrite...

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

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  20. (a) State the various characteristics of chemical reactions. (b) sta...

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