| 1 |
In shoe polished, which chemical is used. |
- A. Ethanol
- B. Methanol
- C. Carbon black
- D. Formaldehyde
|
| 2 |
The end product of oxidation of acetylene is. |
- A. Propen glycol
- B. Ethan glycol
- C. Glyoxal
- D. Oxalic acid
|
| 3 |
Which gas in produced during ripening of bnabanas. |
- A. Methane
- B. Ethene
- C. Acetylene
- D. Carbon dioxide
|
| 4 |
Substitution reaction is the characteristics of. |
- A. Alkanes
- B. Alkenes
- C. Alkynes
- D. None of these
|
| 5 |
Chemical formula of chloroform is : |
- A. CH<sub>2</sub>Cl<sub>2</sub>
- B. CH<sub>3</sub>Cl
- C. CHCl<sub>3</sub>
- D. CCl<sub>4</sub>
|
| 6 |
The end product of oxidation of acetylene is . |
- A. Oxalic acid
- B. Glyoxal
- C. Glycol
- D. None of these
|
| 7 |
The order or reactivity of hydrogen halides with alkenes is. |
- A. HI/Br
- B. HBr > HI
- C. HCl > HBr
- D. HBr>HCl
|
| 8 |
Alkynes are also called. |
- A. Olefine
- B. Ethene
- C. Paraffins
- D. Acetylenes
|
| 9 |
Which compound do not produce in the halogenation of methane. |
- A. Chloroform
- B. Carbon tetrachloride
- C. Carbon black
- D. Chloromethane
|
| 10 |
Dehalogenation of Tetrahalides takes place in the presence of . |
- A. K
- B. Mg
- C. Na
- D. Zn dust
|