| 1 |
Which one is not a chemical change. |
- A. Seed germination
- B. Making paper boat
- C. Burning of wood
- D. Cooking food
|
| 2 |
Matters have............... physical states. |
- A. Two
- B. Three
- C. Four
- D. Five
|
| 3 |
When a substances is changed in which new thing a obtained. |
- A. Physical change
- B. Chemical change
- C. Decaying
- D. Rusting
|
| 4 |
The flame develope during combustion reaction is called. |
- A. Decaying
- B. Burning
- C. Rusting
- D. Melting
|
| 5 |
The liquid is changed into solid is. |
- A. Boiling
- B. Melting
- C. Freezing
- D. Heating
|
| 6 |
Wet clothes dry out. |
- A. Due to melting
- B. Due to evaporation
- C. Due to boiling
- D. Due to freezing
|
| 7 |
The changes of water into water vapours with out boilig is called. |
- A. Melting
- B. Boiling
- C. Freezing
- D. Evaporation
|
| 8 |
The change of milkd into yougurt is. |
- A. Physical change
- B. Climate change
- C. Chemical change
- D. Change of colour
|
| 9 |
The process during which solid becomes liqid is called. |
- A. Freezing
- B. Boling
- C. Melting
- D. Cooling
|
| 10 |
Out of these which answer is correct. |
- A. 1 and 2
- B. 3 and 1
- C. 2 and 3
- D. 1 and 4
|
