| 1 |
The changes of water into water vapours with out boilig is called. |
- A. Melting
- B. Boiling
- C. Freezing
- D. Evaporation
|
| 2 |
The change of milkd into yougurt is. |
- A. Physical change
- B. Climate change
- C. Chemical change
- D. Change of colour
|
| 3 |
When a substances in changed in state of atter without making a new thing is called. |
- A. Physical change
- B. Chemical change
- C. Rusting
- D. Decaying
|
| 4 |
They obtain their food by decomposing the dead bodies into simple components. This process is called. |
- A. Burning
- B. Decaying
- C. Rusting
- D. Melting
|
| 5 |
What type of change is it when mtal expand on heating. |
- A. Permanent
- B. Chemical
- C. Physical
- D. Temporary
|
| 6 |
The process during which solid becomes liqid is called. |
- A. Freezing
- B. Boling
- C. Melting
- D. Cooling
|
| 7 |
The liquid is changed into solid is. |
- A. Boiling
- B. Melting
- C. Freezing
- D. Heating
|
| 8 |
Which factor will not affect the dissolving of sugar is water. |
- A. Adding salt in water
- B. Making sugar powder by grinding
- C. Heating water and sugar
- D. Stirring water and sugar
|
| 9 |
The flame develope during combustion reaction is called. |
- A. Decaying
- B. Burning
- C. Rusting
- D. Melting
|
| 10 |
Matters have............... physical states. |
- A. Two
- B. Three
- C. Four
- D. Five
|