| 1 |
The number of carbon atoms present in diesel oil. |
- A. 10-15
- B. 11-15
- C. 12-15
- D. 13-15
|
| 2 |
|Which one is not an Arrhenius acid? |
- A. HCl
- B. H2SO<sub>4</sub>
- C. CO<sub>2</sub>
- D. HNO<sub>3</sub>
|
| 3 |
Normal rain water is: |
- A. weakly acidic
- B. strongly acidic
- C. weakly basic
- D. strongly basic
|
| 4 |
The unit of molar concentration is: |
- A. moldm<sup>-3</sup>
- B. moldm<sup>+3</sup>
- C. molcm<sup>-3</sup>
- D. molcm<sup>+3</sup>
|
| 5 |
Marsh gas is mostly consisted of. |
- A. Butane
- B. Propane
- C. Ethane
- D. Methane
|
| 6 |
The region in which ozone layere depletes is called. |
- A. Ozone hole
- B. Black hole
- C. Both of them
- D. None of them
|
| 7 |
Mallic acid is present in |
- A. Apple
- B. Feats
- C. String of bees
- D. Urine
|
| 8 |
Chemical formula of Stearic acid. |
- A. C<sub>15</sub>H<sub>31</sub>COOH
- B. C<sub>17</sub>H<sub>35</sub>COOH
- C. C<sub>15</sub>H<sub>37</sub>COOH
- D. None of them
|
| 9 |
Atmosphere is divided into; |
- A. 3 regions
- B. 4 regions
- C. 5 regions
- D. 6 regions
|
| 10 |
At dynamic equilibrium: |
- A. The reactions stops to proceed
- B. The amounts of reactants and products are equal
- C. The speed of the forward is reverse reactions are equal
- D. The reaction can no longer be reversed
|
