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A solution of a substance ‘X’ is use...

A solution of a substance ‘X’ is used for whitewashing. (i) Name the substance ‘X’ and write its formula. (ii) Write the reaction of the substance ‘X’ named in (i) above with water.

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LAKHMIR SINGH & MANJIT KAUR-CHEMICAL REACTIONS AND EQUATIONS -Exercise
  1. Write the balanced equation for the following chemical reactions. (i...

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  2. Write a balanced chemical equation with state symbols for the followin...

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  3. A solution of a substance ‘X’ is used for whitewashing. (i) Name t...

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  4. Why is the amount of gas collected in one of the test tubes in Activit...

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  5. Why does the colour of copper sulphate solution change when an iron na...

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  6. Give an example of a double displacement reaction.

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  7. Identify the substances that are oxidised and the substances that are ...

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  8. Which of the statements about the reaction below are incorrect? 2PbO...

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  9. Fe(2)O(3) + 2Al rarr Al(2)O(3) + 2Fe The above reaction is an exampl...

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  10. What happens when dilute hydrochloric acid is added to iron fillings? ...

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  11. What is a balanced chemical equation? Why should chemical equations be...

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  12. Translate the following statements into chemical equations and then ba...

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  13. Balance the following chemical equations: (a) HNO(3)+Ca(OH)(2)toCa(...

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  14. Write the balanced chemical equations for the following reactions: (...

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  15. Write the balanced chemical equations for the following and identify t...

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  16. What does one mean by exothermic and endothermic reactions? Give examp...

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  17. Why is respiration considered an exothermic reaction? Explain.

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  18. Why are decomposition reactions called the opposite of combination rea...

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  19. Write one equation each for decomposition reactions where energy is su...

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  20. What is the difference between displacement and double displacement re...

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