1 |
Formula of Decane is. |
C<sub>10</sub>H<sub>20</sub>
C<sub>10 </sub>H<sub>22</sub>
C<sub>10</sub> H<sub>4</sub>
C<sub>10</sub>H<sub>16</sub>
|
2 |
Molecular formula of butane is |
C<sub>4</sub>H<sub>8</sub>
C<sub>4</sub>H<sub>10</sub>
C<sub>4</sub>H<sub>12</sub>
C<sub>4</sub>H<sub>6</sub>
|
3 |
Hydrogen atoms preset in pentane are. |
10
12
14
16
|
4 |
Vital force theory was rejected by. |
Jabir Bin Hayan
Drawin
Wohler
Berzellius
|
5 |
Formula of Methyl alcohol |
CH<sub>5</sub>-OH
CH<sub>3</sub>-CH<sub>2</sub>-OH
All of them
None of these
|
6 |
Alkyl radical is derivative of |
Alkane
Alkene
Alkyne
All
|
7 |
The general formula of alkane is |
C<sub>n</sub>H<sub>2n+2</sub>
C<sub>n</sub>H<sub>2n-2</sub>
C<sub>n</sub>H<sub>2n</sub>
C<sub>n</sub>H<sub>2n+1</sub>
|
8 |
Natural gas contains. |
Methane
Ethane
Propane
All
|
9 |
The % age of carbon in coke is |
60
70
90
98
|
10 |
Coal tar contains compounds |
Benzene
Phenol
Toluene
All
|
11 |
Coal is the mixture of |
Hydrogen
Methane
Carbon monoxide
All
|
12 |
The strong heating of coal in the absence of air is called. |
Carbonization
Destructive distillation
Fractional distillation
All
|