| 1 |
Which one of these is used as anaesthesia? |
- A. carbon black
- B. Mehtane
- C. Ethane
- D. Chloroform
|
| 2 |
Incomplete combustion of alkanes produces. |
- A. Carbon dioxide only
- B. Carbon monoxide only
- C. Carbon monoxide and carbon black
- D. Carbon dioxide and carbon black
|
| 3 |
The end product of oxidation of acetylene is. |
- A. Propen glycol
- B. Ethan glycol
- C. Glyoxal
- D. Oxalic acid
|
| 4 |
The molecular formula of the first three members of the alkane hydrocarbons are CH<sub>4,</sub>C<sub>2</sub>H<sub>6</sub> and C<sub>3</sub>H<sub>8</sub>. What is the molecular formula for the eight alkane member, octane, which is found is petrol? |
- A. C<sub>8</sub>H<sub>8</sub>
- B. C<sub>8</sub>H<sub>16</sub>
- C. C<sub>8</sub>H<sub>18</sub>
- D. C<sub>8</sub>H<sub>20</sub>
|
| 5 |
Molecular formula of butyne is . |
- A. C<sub>4 </sub>H<sub>6</sub>
- B. C<sub>3</sub>H<sub>4</sub>
- C. C<sub>4</sub>H<sub>7</sub>
- D. C<sub>4</sub>H<sub>8</sub>
|
| 6 |
Hydrogenation of vegetable oil to convert it into banaspatic ghee is carried out in the presence of catalyst: |
- A. Ni-metal
- B. Zn-metal
- C. Na - Metal
- D. Fe2O3
|
| 7 |
Which are called paraffines? |
- A. Alkyle
- B. Alkynes
- C. Alkenes
- D. Alkanes
|
| 8 |
Which compound do not produce in the halogenation of methane. |
- A. Chloroform
- B. Carbon tetrachloride
- C. Carbon black
- D. Chloromethane
|
| 9 |
The order or reactivity of hydrogen halides with alkenes is. |
- A. HI/Br
- B. HBr > HI
- C. HCl > HBr
- D. HBr>HCl
|
| 10 |
Boiling point of alcohol in centigrade is. |
- A. 68
- B. 78
- C. 118
- D. 128
|