ICSE Class 6 Chemistry - Introduction to Chemistry - Test 2 (Intermediate)
1. Which of the following is a physical property of matter?
A. Colour of a substance
B. Rusting of iron
C. Burning of paper
2. Which of the following is a chemical property?
A. Melting point
B. Ability to rust
C. Boiling point
3. A metal has high density. What does it imply?
A. It is soft
B. It floats easily in water
C. It is heavy for its size
4. Which term describes the ability of a substance to dissolve in water?
A. Solubility
B. Density
C. Viscosity
5. Water turning into vapour from a pond is an example of:
A. Condensation
B. Evaporation
C. Freezing
6. Water boils at 100°C. This is an example of:
A. Melting
B. Evaporation
C. Boiling
7. Sand and salt combined together form a:
A. Mixture
B. Compound
C. Element
8. Table salt (NaCl) is a:
A. Mixture
B. Compound
C. Element
9. Oxygen is a:
A. Mixture
B. Compound
C. Element
10. Removing sand from water can be done by:
A. Filtration
B. Evaporation
C. Boiling
11. Dew formation in the morning is due to:
A. Evaporation
B. Condensation
C. Sublimation
12. Ice turning into water is called:
A. Melting
B. Freezing
C. Evaporation
13. Dry ice changing into gas is an example of:
A. Melting
B. Boiling
C. Sublimation
14. Which is essential in a chemistry experiment?
A. Observation
B. Guesswork
C. Random mixing
15. Safety in the lab requires:
A. Running in lab
B. Protective clothing
C. Tasting chemicals
16. Sugar dissolved in water forms a:
A. Compound
B. Element
C. Solution
17. In a mixture, the substances:
A. Retain their properties
B. Form a new compound
C. Lose their identity
18. Salt can be obtained from seawater by:
A. Filtration
B. Evaporation
C. Condensation
19. How can a mixture be separated?
A. Physical methods
B. Chemical reaction
C. Heating only
20. Water is a:
A. Mixture
B. Element
C. Compound