Question

Fill in the Blanks:

1. The decomposition of vegetable into compost is an example of ……………. reaction.

2. The chemical reaction in which energy is absorbed to form a new compound is called …………. 

3. The reaction 2N₂O → 2N₂ + O₂ is an example for ………….. reaction. 

4. The reaction Ca + 2H₂O → Ca(OH)₂ + H₂↑ is an example for ………….. reaction. 

5. The substances that are present on left side of a chemical equation are called 

6. The arrow mark between the products and reactants of a chemical equation shows of the reaction.

Answer 1

1. oxidation

2. endothermic reaction 

3. decomposition 

4. displacement 

5. reactants 

6. direction