| 1 |
Formula of Decane is. |
- A. C<sub>10</sub>H<sub>20</sub>
- B. C<sub>10 </sub>H<sub>22</sub>
- C. C<sub>10</sub> H<sub>4</sub>
- D. C<sub>10</sub>H<sub>16</sub>
|
| 2 |
What is the percentage of carbon in anthracite? |
- A. 60%
- B. 70%
- C. 80%
- D. 90%
|
| 3 |
Which one is heterocyclic compound? |
- A. Benzene
- B. Cyclobutane
- C. Thiophene
- D. Nephthalene
|
| 4 |
Chemical formula for urea is: |
- A. NH4CNO
- B. NH4CH
- C. NH2CONH2
- D. NH4CI
|
| 5 |
Hydrogen atoms preset in pentane are. |
|
| 6 |
General formula of Alkane is. |
- A. C<sub>10</sub>H<sub>2n-2</sub>
- B. C<sub>6</sub>H<sub>26</sub>
- C. C<sub>11</sub>H<sub>2n-2</sub>
- D. C<sub>n</sub>H<sub>2n-2</sub>
|
| 7 |
Organic compounds contain: |
- A. ionic bond
- B. Covalent bond
- C. Metallic bond
- D. Co-ordinate covalent
|
| 8 |
Petroleum is refined by: |
- A. destructive distillation
- B. fractional distillation
- C. simple distillation
- D. dry distillation
|
| 9 |
Which one contains triple covalent bond? |
- A. Pentane
- B. Ethylene
- C. Acetylene
- D. All
|
| 10 |
Who put forward the vital force theory? |
- A. Berzelius
- B. Wohler
- C. Dalton
- D. Lavoisier
|
