1 |
Which is the main component of natrual gas. |
Methane
Ethane
Propane
Charcoal
|
2 |
Main component of Natrual gas. |
CH<sub>3</sub>
CH<sub>4</sub>
C<sub>2</sub>H<sub>6</sub>
C<sub>2</sub>H<sub>2</sub>
|
3 |
Which one of the followoing is the Hardest coal. |
Peat
Lignite
Bituminous
Anthracite
|
4 |
Pitch is black residue of. |
Coke
Coal tar
Coal
Coal gas
|
5 |
Wood contain the amount of carbon. |
70%
80%
60%
40%
|
6 |
The coal in which the percentage of carbon is 60% |
Peat
Lignite
Bituminous
Anthracit
|
7 |
Carbon content in coke is. |
80%
98%
70%
88%
|
8 |
The strong heating of coal in the absence of air called. |
Fractional Distilation
Destructive Distiation
Carbonization
Catenation
|
9 |
Percentage of carbon in peat is. |
50%
60%
70%
80%
|
10 |
The carbon contents in lignite is. |
80%
50%
60%
70%
|
11 |
What one of the following does not contain protein? |
Pulses
Potatoes
Beans
Eggs
|
12 |
The ability of carbon atom to form chain is called. |
Isomerism
Catenation
resonance
Condensation
|