Q3. 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. 10. Rusting is a slow process.

Q3. True False: 1. The number of atoms of each element is conserved

1.	Q3. 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. 10. Rusting is a slow process.
Answer» 1. True2.True3.True4.True5.True6.False RUSTING is a OXIDATION reaction7.True8.True9.True10.True