| 1 |
The flame develope during combustion reaction is called. |
- A. Decaying
- B. Burning
- C. Rusting
- D. Melting
|
| 2 |
Wet clothes dry out. |
- A. Due to melting
- B. Due to evaporation
- C. Due to boiling
- D. Due to freezing
|
| 3 |
Matter |
- A. Has no mass but occupies space
- B. Has mass but has no occupy space
- C. Also has mass and also occuipies space
- D. Has no mass and no occupies space
|
| 4 |
In what way the state of matter changes. |
- A. Beating
- B. Cooling
- C. Cleaning
- D. Heating and cooling
|
| 5 |
When a substances is changed in which new thing a obtained. |
- A. Physical change
- B. Chemical change
- C. Decaying
- D. Rusting
|
| 6 |
They obtain their food by decomposing the dead bodies into simple components. This process is called. |
- A. Burning
- B. Decaying
- C. Rusting
- D. Melting
|
| 7 |
The liquid is changed into water vapour is called. |
- A. Frozen
- B. Cooling
- C. Melting
- D. Boiling
|
| 8 |
The changes of water into water vapours with out boilig is called. |
- A. Melting
- B. Boiling
- C. Freezing
- D. Evaporation
|
| 9 |
Out of these which answer is correct. |
- A. 1 and 2
- B. 3 and 1
- C. 2 and 3
- D. 1 and 4
|
| 10 |
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
|
