Question

Give one word answer:
i) Temperature at which liquid changes into vapour.
ii) Type of reaction where sunlight is required.
iii) Substance which enhances the speed of a reaction.
iv) The natural substance capable of existing in all the three states.​

Answer 1

Explanation:

1. Evaporation

2.Photosynthesis

3. Chemical

4.Solid , Liquid , Gaseous

Answer 2

1. boiling point

2. nuclear fusion reaction or photosynthesis

3. Catalyst

4. water chemical formula H2O

hope it is helpful