| 1 |
Gases have
|
a definite shape but not volume <br>
a definite volume and shape <br>
a definite volume but not shape<br>
neither definite volume not shape<br>
|
| 2 |
Iron articles rust because of the formation of
|
ferrous chloride <br>
a mixture of ferrous and ferric hydroxides <br>
Sodium carbonate<br>
ferric chloride <br>
|
| 3 |
Marsh gs mainly contains
|
C<sub>2</sub>H<sub>2</sub>
CO
CH<sub>4</sub>
H<sub>2</sub>S
|
| 4 |
Iron articles rust because of he formation of
|
ferrous chloride<br>
a mixture of ferrous and ferric hydroxides <br>
sodium carbonate<br>
ferric chloride <br>
|
| 5 |
Marsh gas mainly contains
|
C<sub>2</sub>H<sub>2</sub>
CO
CH<sub>4</sub>
H<sub>2</sub>S
|
| 6 |
Milk contains the sugar
|
Sourose <br>
Maltose<br>
Arabinose<br>
Lactose <br>
|
| 7 |
Nuclear fusion is a?
|
Chain reaction <br>
Exogeneric reaction<br>
Endogeneric reaction<br>
Thermal reaction<br>
|
| 8 |
All of gases gasses present in the air, Which one of the following is the highest in the percentage?
|
Carbon dioxide <br>
Hydrogen<br>
Oxygen<br>
Nitrogen<br>
|
| 9 |
Of the following particles, the particles having the least mass is
|
Meson<br>
Neutron <br>
Electron<br>
Proton<br>
|
| 10 |
Of the following radiations, the one most easily stopped by air is composed of
|
alpha rays<br>
x-rays<br>
beta rays<br>
gamma rays<br>
|
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