| 1 |
Which one of the following gases is used for artificial ripening of fruits |
- A. Ethene
- B. Ethyne
- C. Methane
- D. Propane
|
| 2 |
Which one is not property or uses of mustard gas |
- A. Used in 1st world war
- B. Powerful vesicant
- C. High boiling liquid
- D. High boiling gas
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| 3 |
Which is called marsh gas |
- A. S2Cl2
- B. SOCl2
- C. CH4
- D. CHBr3
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| 4 |
Vinyl acetlylene reach with HCl to form |
- A. Polycetylene
- B. Benzene
- C. Chloroprene
- D. Divinylacetylene
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| 5 |
Vinyl chloride when boiled with alcoholic KOH , gives |
- A. Acetylene
- B. Ethylene
- C. Ethene
- D. Ethyl alcohol
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| 6 |
Formula of choloroform is |
- A. CH<sub>3</sub>Cl
- B. CCl<sub>4</sub>
- C. CH<sub>2</sub>Cl<sub>2</sub>
- D. CHCI<sub>3</sub>
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| 7 |
The presence of a double bond in a compound is the sign of |
- A. Saturation
- B. Un-saturation
- C. Substitution
- D. None of these
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| 8 |
Which one of the followings is major product when HBr reacts with 2-butene |
- A. 2- bromobutane
- B. 1- bromobutane
- C. 1-1 di bromobutane
- D. 1,2 di bromobutane
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| 9 |
When methane reacts with Cl2 is commonly known as |
- A. Mustard gas
- B. Laughing gas
- C. Phosgene gas
- D. Bio gas
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| 10 |
When ethyl alcohol is heated with conc. H2SO4 it produces ethene. The temperature required is as proximately |
- A. 100 <sup>o</sup>C
- B. 78 <sup>o</sup>C
- C. Above 200 <sup>o</sup>C
- D. 140- 170 <sup>o</sup>C
|