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When potassium nitrate is heated. It dec...

When potassium nitrate is heated. It decomposes into potassium nitrite and oxygen. Write a balanced equation for this reaction and add the state symbols of the reactants and products.

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The correct Answer is:
`2KNO_(3)(s)to2KNO_(2)(s)+O_(2)(g)`
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LAKHMIR SINGH & MANJIT KAUR-CHEMICAL REACTIONS AND EQUATIONS -Exercise
  1. Write a balanced chemical equation for the process of photosynthesis g...

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

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

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

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

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  6. (a) What do you understned by exothermic and endothermic reactions ? ...

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  7. One of the following does not happen during a chemical reaction. This ...

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  8. Which of the following does not involve a chemical reaction?

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  9. You are given the solution of lead nitrate. In order to obtain a yello...

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  10. An acid which can decolourise purple coloured potassium permanganate s...

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  11. The chemical reaction between two substances is characterised by a cha...

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  12. The chemical reaction between quicklime and water is characterised by ...

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  13. One of the following is an endothermic reaction. This is :

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  14. Which of the following is not an endothermic reaction ?

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  15. One of the following is an exothermic reaction. This is

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  16. The chemical equations are balanced to satisfy one of the following la...

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  17. When the solution of substance X is added to a solution of potassium i...

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  18. When water is added gradually to a white solid X, a hissing sound is h...

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  19. When metal X is treated with a dilute acid Y, then a gas Z is evolved ...

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  20. A silver-white metal X taken in the form of ribbon, when ignited, burn...

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