Practice Questions
| 1. |
HOTS - Introduction to chemical reactions
Difficulty: easy |
1
|
| 2. |
HOTS - Physical and chemical changes
Difficulty: easy |
1
|
| 3. |
Identification of a chemical reaction
Difficulty: medium |
1
|
| 4. |
Exemplar - Physical or chemical change
Difficulty: medium |
3
|
| 5. |
Evolution of gas
Difficulty: easy |
2
|
| 6. |
PYQ - Change in colour
Difficulty: medium |
3
|
| 7. |
PYQ - Reaction of copper
Difficulty: medium |
2
|
| 8. |
Reaction of lead nitrate
Difficulty: hard |
2
|
| 9. |
PYQ - Burning of a metal
Difficulty: easy |
1
|
| 10. |
Reaction of copper sulphate
Difficulty: easy |
1
|
| 11. |
HOTS - Colour change
Difficulty: hard |
1
|
| 12. |
Change in temperature
Difficulty: medium |
1
|
| 13. |
Exemplar - Reaction of lead with acid
Difficulty: hard |
1
|
| 14. |
Symbol of aqueous state
Difficulty: hard |
1
|
| 15. |
State symbol
Difficulty: hard |
3
|
| 16. |
Writing a chemical equation
Difficulty: medium |
1
|