ICSE Class 6 Chemistry - Matter - Test 3 (Advanced)
1. An inverted empty glass is pushed straight into water. Water does not fill the glass completely because:
A. Water has no mass
B. Air inside the glass occupies space
C. Glass changes into gas
2. Two same balloons are weighed. One is empty and one is filled with air. The filled balloon is heavier because air:
A. Has colour
B. Has no weight
C. Has mass
3. A stone keeps the same shape in a box, bag, or bowl. This shows that a solid:
A. Has a fixed shape
B. Has no volume
C. Fills the whole container
4. Water can be poured from one vessel to another because liquid particles:
A. Are fixed like a solid
B. Can move past one another
C. Are not present
5. A gas fills a closed container completely because its particles:
A. Stay only at the bottom
B. Remain fixed in rows
C. Move freely in all directions
6. When matter is heated, its particles generally:
A. Move faster
B. Disappear completely
C. Stop moving
7. When water vapour cools to form droplets, the particles:
A. Become larger stones
B. Come closer together
C. Change into light
8. A small puddle dries slowly even without boiling. This change is called:
A. Freezing
B. Melting
C. Evaporation
9. Steam touches a cold metal plate and forms water drops. This is an example of:
A. Condensation
B. Freezing
C. Melting
10. The same amount of oil is poured into a tall bottle and then into a flat dish. Which property remains the same?
A. Shape
B. Volume
C. Colour of container
11. A small amount of gas is put into a large jar. What happens to the gas?
A. It stays in one corner only
B. It becomes a solid block
C. It spreads throughout the jar
12. Why is it difficult to press a metal coin into a smaller size by hand?
A. Its particles are closely packed
B. It has no particles
C. It is already a gas
13. A sealed syringe with air inside can be pushed a little. This is possible because gases have:
A. Fixed shape
B. Spaces between particles
C. No volume at all
14. Food smell reaches another room after some time. Which property of gases explains this?
A. Gases are always coloured
B. Gases cannot move
C. Gases diffuse through air
15. A chocolate bar melts in the sun. Why is this a change of state?
A. It changes from solid to liquid
B. It changes into oxygen
C. It stops being matter
16. Liquid water kept in an ice tray becomes solid because heat is:
A. Added strongly
B. Removed from it
C. Changed into sound
17. Two boxes are placed on a balance. One side goes down. What can we say about that box?
A. It has less matter
B. It has no volume
C. It has more mass
18. Which observation shows that a liquid has no fixed shape?
A. It looks different in different vessels
B. It cannot be poured
C. It always stays square
19. Which statement about water vapour is correct?
A. It is a solid form of water
B. It is a gaseous form of water
C. It is not matter
20. Ice, liquid water, and steam are different states of:
A. Salt
B. Iron
C. Water