Question

True/ False:-

1.The number of atoms of each element is conserved in any chemical reaction.

2.Oxidation is the loss of electrons from a substance.

3.Reduction is the gain of electrons by a substance.

4.A complete chemical equation represents the reactants, products and their physical states symbolically.

5.A magnesium ribbon burns with a dazzling flame in air (oxygen) and changes into a white substance, magnesium oxide.

6.Rusting is a double decomposition reaction.

7.The reaction between nitrogen and hydrogen to give ammonia is an example of a combination reaction.

8.Action of heat on ferrous sulphate is an example of decomposition reaction.

9.The formation of Na+ and CI- ions from sodium and chlorine is an example of a redox reaction.​

Answer 1

Answer:

1 false 2 true 3 false 4 false 5 true 6 false 7 false 8 false 9 true

Answer 2

Answer:

1) False,2)True,3)False