1 |
Which hydrocarbon has no effect on an aqueous solution of bromine. |
CH<sub>4</sub>
C<sub>10</sub>H<sub>20</sub>
C<sub>2</sub>H<sub>2</sub>
C<sub>2</sub>H<sub>4</sub>
|
2 |
Marsh gas is mostly consisted of. |
Butane
Propane
Ethane
Methane
|
3 |
Which is the substitution reaction in the following? |
Halogenation of alkenes
Halogenation of alkynes
Bromination of alkene
Halogenation of alkanes
|
4 |
Incomplete combustion of alkanes produces. |
Carbon dioxide only
Carbon monoxide only
Carbon monoxide and carbon black
Carbon dioxide and carbon black
|
5 |
Functional group of Alcohols is |
-COOH
-C=0
C-O-C
-OH
|
6 |
The functional group -COOH is found in. |
Aldehydes
Esters
Carboxylic acids
alcohols
|
7 |
In which of the following groups , oxygen is attached on both sides with carbon atoms. |
Ketone group
Ether group
Aldehyde group
Easter group
|
8 |
General formula of Alkyl radical is.. |
C<sub>6</sub>H<sub>2n-2</sub>
C<sub>n</sub>H<sub>2n+2</sub>
C<sub>11</sub>H<sub>2n-1</sub>
C<sub>n</sub>H<sub>2n-2</sub>
|
9 |
General formula of Alkynes is. |
C<sub>6</sub>H<sub>2n-2</sub>
C<sub>n</sub>H<sub>2n+2</sub>
C<sub>11</sub>H<sub>2n-2</sub>
C<sub>n</sub>H<sub>2n-2</sub>
|
10 |
General formula of Alkane is. |
C<sub>10</sub>H<sub>2n-2</sub>
C<sub>6</sub>H<sub>26</sub>
C<sub>11</sub>H<sub>2n-2</sub>
C<sub>n</sub>H<sub>2n-2</sub>
|
11 |
____________ is synthetic fiber. |
Cotton
Woal
Nylon
Silk
|
12 |
Percentage of methane present in natural gas is. |
75%
80%
85%
90%
|