1 |
Chloroform is used for |
- A. Anesthesia
- B. Fever
- C. Link
- D. Toys
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2 |
Ethen is prepared by heating a mixture of ethanol and excess of concentrated sulphuric acid at: |
- A. 150°C
- B. 180°C
- C. 250°C - 300°C
- D. 400°C - 450°C
|
3 |
Marsh gas is mostly consisted of. |
- A. Butane
- B. Propane
- C. Ethane
- D. Methane
|
4 |
Dehydrohalogenation takes place in the presence of . |
- A. NaOH aqueous
- B. Alcoholic KOH
- C. Aqeous KOH
- D. Alcoholic NaOH
|
5 |
Oxidation of alkenes forms: |
- A. Glycol
- B. Glyoxal
- C. Formic acid
- D. Oxalic acid
|
6 |
Dehydration of alcohols can be carried out with. |
- A. NaOH
- B. KOH
- C. H<sub>2</sub>SO<sub>4</sub>
- D. HCl
|
7 |
Which one of these is used as anaesthesia? |
- A. carbon black
- B. Mehtane
- C. Ethane
- D. Chloroform
|
8 |
Which one of these hydrocarbon molecules would have no effect on an aqueous solution of bromine? |
- A. CH<sub>4</sub>
- B. C<sub>10</sub>H<sub>20</sub>
- C. C<sub>2</sub>H<sub>4</sub>
- D. C<sub>2</sub>H<sub>2</sub>
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9 |
Ethylene is present is natural gas sometimes to the extent of . |
- A. 10%
- B. 20%
- C. 30%
- D. 40%
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10 |
Marsh gas is mostly : |
- A. ethane
- B. methane
- C. butane
- D. propane
|