Multiple choices. Choose the best answer for the following questions.
1. Freezing and boiling of water are examples of what change? A Physical C. Superficial B. Chemical D. Atomic

2. Which of the following is not an example of mixture of objects that can be separated? A Gravel and bean C. Saw Dust and Iron Fillings B. B. Rice and corn grains D. Water

3. Which of the following is not a chemical change? A. Masticating of meat C. Burning of sugar B. B. Digesting food D. Spoiling of food

4. A physical change changes the of a substance, but does not affect its chemical properties B. Atoms C. Shape A. Appearance D. Container

5. Melted and solid wax have the same properties A. Chemical C. Physical B. Nuclear D. Composition

6. Which of the following is a physical change? B. Folding A. Burning D. Rusting C. Ripening

7. When you want to turn ice into liquid water, you may use C. Melting B. Freezing D. Sublimation A. Evaporation

8. Which of the following involves chemical change? A. Burning paper C. Filling a balloon with air B. Chopping firewood D. Cutting paper with scissors

9. Which of the following results in a physical change of a substance? A Tearing of paper C. Mixing of iron and vinegar B. Burning of coal D. Heating a tablespoon of sugar

10. Which of the following is a bad effect of chemical change? A Spoilage of food C. Molding of metals B. Baking of bread D. Chemical digestion

11. When matter is changed into another matter having different properties, the type of change is known as A physical change C. electrical change B. chemical change D. atomic change​