Question

Which one of the following is insoluble in water? (a) alcohol b) sodium chloride c) coconut oil d) sugar
2. Conversion of solid to liquid by heating is called, (a) evaporation b) melting c) condensation d) freezing
3. On heating a metal rim, it (a) expands b) contracts c) depends on how much it is heated d) depends on the type of metal
4. A thin oily paper sheet will be, (a) transparent b) translucent c) opaque d) cannot be predicted
5. Which is the way to make a change? (a) Heating a substance (b) Cooling a substance (c) Mixing a substance with another substance (d) All the above​

Answer 1

Answer:

1) coconut oil

2) condensation

3) no ans

4) transparent

5) all the above ( I am not sure)

Answer 2

Photosynthesis is the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar.