CLASS 10 SCIENCE CHEMICAL REACTION AND EQUATUON QUES

CHEMICAL REACTION AND EQUATUON QUES

1.      Define chemical reaction with two examples.

2.      Define reactants and products.

3.      Give five example of chemical reactions occurs in our daily life.

4.      Why magnesium ribbon is cleaned before burning?

5.      Write characteristics of chemical reaction with explanation and one example for each.

6.      Define chemical equation.

7.      What is balanced equations? Explain woth an example.

8.      Define exothermic and endothermic reaction with an example for each.

9.      Write types of chemical reactions with an example for each.

10.  What is combination reaction .Give two examples.

11.  What is decomposition reaction .Give two examples.

12.  What is double displacement reaction. Give two examples.

13.  Define oxidation and reduction reaction with an example.

14.  Define oxidizing agent and reducing agent.

15.  What is corrosion?

16.  What is rusting?

17.  Define rancidity.

18.  Write five methods for prevention of rancidity.

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