| 1 |
Acetylene reacts with ammoniacal cuprous chloride a red ppt is formed. This red ppt is of |
- A. Copper chlorite
- B. Coper chlorate
- C. Cupric oxide
- D. Copper acetylide
|
| 2 |
The IUPAC name of C(CH3)4 is |
- A. Iso Propyl methane
- B. 2-Methylbutane
- C. Iso bytylmethane
- D. 2,2 dimethylpropane
|
| 3 |
In which reactions alkane is not produced |
- A. Subatier's and Sendern reaction
- B. Koibe's reaction
- C. Wolf -Kishner's reduction
- D. Dow's process
|
| 4 |
Which gas act as 'Blistering agent' |
- A. Acetylene
- B. Phosphine
- C. Phosgene
- D. Mustard gas
|
| 5 |
Which one of the following compounds will form red precipitate with ammoniacal cuprous chloride |
- A. Acetylene
- B. Ethylene
- C. Benzene
- D. Methane
|
| 6 |
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
|
| 7 |
Preparation of vegetable ghee involves. |
- A. Halogenation
- B. Hydrogenation
- C. Hydroxylation
- D. Dehydrogenation
|
| 8 |
Preparation of vegetable ghee involves |
- A. Halogenation
- B. Hydrogenation
- C. Hydroxylation
- D. Dehydrogenation
|
| 9 |
Which one of the following gases is used welding purpose usualy. |
- A. Methane
- B. Ethane
- C. Ethene
- D. Acetylene
|
| 10 |
Sodalime is |
- A. NaOH
- B. Mixture of Na and Ca(OH)2
- C. KOH
- D. Mixture of CaO and NaOH
|
