Question

Exercises
A. Tick the most appropriate answer.
1. What type of change is the cutting down of trees?
a, a desirable change
3. an undesirable change
c. a reversible change
d. none of these
2. Which of the following is not a reversible change?
a. stretching of a rubber band
b. dissolving sugar in water
c burning of magnesium in the air
sr evaporation of water
3. Which of the following is not a physical change?
a drying of wet clothes
b. sublimation
c. melting of wax
d. rusting of iron
4. Which of the following is a characteristic of physical changes?
a. change is permanent change
b. formation of a new substance
c. change is temporary
change in composition
5. Which of the following is an example of a chemical change?
a. melting of ice
b. drying of clothes
c. sugar dissolved in water
d. cooking food​

Answer 1

Answer:

a ddesirabble change

dissolving sugar in water

sublimation

change in temporary

sugar disslove in wayer