Question

Exercises A. Tick the most appropriate answer. 1. What type of change is the cutting down of trees? a. a desirable change b. 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 d. 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 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 d. change in composition 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:

1 a 2b 3a answer Sai hai ya wrong bolo