ICSE Class 6 Chemistry - Introduction to Chemistry - Test 5 (Comprehensive)
1. Chemistry is the study of:
A. Matter, its properties and changes
B. Plants and animals
C. Stars and planets
2. Matter is defined as:
A. Anything that can move
B. Anything that has mass and occupies space
C. Anything that produces energy
3. Which of the following is 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. The smallest unit of matter that retains properties of an element is called:
A. Atom
B. Molecule
C. Compound
8. A molecule is:
A. Single atom
B. Two or more atoms chemically combined
C. Mixture of compounds
9. Burning paper produces ash. This is a:
A. Physical change
B. Dissolving process
C. Chemical change
10. Melting ice into water is a:
A. Physical change
B. Chemical change
C. Biological change
11. In a chemistry experiment, which is most important?
A. Guessing the results
B. Careful observation
C. Ignoring results
12. Sand can be separated from water using:
A. Evaporation
B. Boiling
C. Filtration
13. Ability of sugar to dissolve in water is called:
A. Solubility
B. Boiling point
C. Density
14. Formation of dew is due to:
A. Evaporation
B. Condensation
C. Freezing
15. Rusting of iron nails is an example of:
A. Physical change
B. Evaporation
C. Chemical change
16. Oxygen gas is an example of:
A. Element
B. Compound
C. Mixture
17. Water (H₂O) is a:
A. Element
B. Compound
C. Mixture
18. Salt can be recovered from seawater by:
A. Filtration
B. Sedimentation
C. Evaporation
19. Cutting paper is an example of:
A. Physical change
B. Chemical change
C. Burning
20. A key step in experiments is:
A. Guessing the outcome
B. Careful observation and recording
C. Ignoring results