ICSE Class 6 Chemistry - Introduction to Chemistry - Test 1 (Basic)
1. What is chemistry?
A. The study of matter and its changes
B. The study of stars
C. The study of plants
2. What is matter?
A. Anything that can move
B. Anything that has mass and occupies space
C. Anything that produces energy
3. Which of the following is considered matter?
A. Light
B. Sound
C. Air
4. Which state of matter has a definite shape and volume?
A. Solid
B. Liquid
C. Gas
5. Which state of matter has definite volume but no definite shape?
A. Solid
B. Liquid
C. Gas
6. Which state of matter has no definite shape and no definite volume?
A. Solid
B. Liquid
C. Gas
7. What is an atom?
A. Smallest unit of matter
B. A type of molecule
C. A chemical reaction
8. What is a molecule?
A. Single particle
B. Two or more atoms chemically combined
C. Mixture of elements
9. Which change produces new substances?
A. Chemical change
B. Physical change
C. Both
10. Melting ice into water is an example of:
A. Chemical change
B. Physical change
C. Both
11. Which property is characteristic of solids?
A. Rigid structure
B. Flows easily
C. Expands to fill container
12. Which property is characteristic of liquids?
A. Definite shape
B. Do not flow
C. Flow and take shape of container
13. Gases have the ability to:
A. Maintain fixed shape
B. Expand to fill container
C. Remain rigid
14. Chemistry involves the use of:
A. Experiments and observations
B. Guesswork
C. Only theory
15. A mixture is:
A. Pure substance
B. Two or more substances physically combined
C. Chemically bonded substance
16. An element is made of:
A. Only one type of atom
B. Different atoms
C. Molecules only
17. A compound is:
A. A mixture of elements
B. Single atom
C. Two or more elements chemically combined
18. The ability of a substance to dissolve in a liquid is called:
A. Solubility
B. Evaporation
C. Filtration
19. The process of turning a liquid into gas is called:
A. Condensation
B. Evaporation
C. Freezing
20. Which of the following is a safety measure in the chemistry lab?
A. Wear protective clothing
B. Run in the lab
C. Taste chemicals