ICSE Class 6 Chemistry - Introduction to Chemistry - Test 1 (Basic)
1. Chemistry mainly deals with the study of:
A. Planets and stars
B. Substances and their changes
C. Maps and directions
2. Which of the following is an example of matter?
A. Chair
B. Light
C. Echo
3. Which property is shown by a solid?
A. It fills the whole container
B. It has no fixed volume
C. It has a fixed shape
4. What happens when water is poured into a glass?
A. It keeps the shape of a bottle
B. It takes the shape of the glass
C. It becomes a gas immediately
5. Why does the smell of perfume spread in a room?
A. Gases have fixed shape
B. Gases cannot move
C. Gases spread through space
6. Which of the following is an element?
A. Iron
B. Lemon juice
C. Salt water
7. A substance formed by the chemical combination of elements is called a:
A. Mixture
B. Compound
C. Solution only
8. Which of the following is a mixture?
A. Oxygen
B. Copper
C. Sugar solution
9. Which statement is true about a mixture?
A. Its parts keep their properties
B. It is always made by burning
C. It contains only one substance
10. Air is a mixture because it contains:
A. Only oxygen
B. Many gases
C. Only water vapour
11. Which gas is important for breathing?
A. Smoke
B. Dust
C. Oxygen
12. The blanket of air around the Earth is called:
A. Atmosphere
B. Ocean
C. Soil layer
13. Which apparatus is used to hold a small amount of liquid in the lab?
A. Funnel
B. Test tube
C. Thermometer
14. Which apparatus helps to pour liquid into a narrow-mouthed bottle?
A. Tongs
B. Tripod stand
C. Funnel
15. What should be used to hold a test tube while heating?
A. Test tube holder
B. Bare hand
C. Paper strip
16. What is the correct habit before using a chemical bottle?
A. Smell it directly
B. Read the label
C. Mix it with all chemicals
17. Which action is unsafe in the chemistry laboratory?
A. Wearing safety goggles
B. Following the teacher's instructions
C. Running between tables
18. Which of the following is a chemical change?
A. Burning a candle
B. Folding paper
C. Breaking chalk
19. Which of the following is a physical change?
A. Burning wood
B. Dissolving sugar in water
C. Rusting of iron
20. Rusting of iron is called a chemical change because:
A. Iron only changes its size
B. Iron becomes a liquid
C. A new substance is formed