| 1 |
Which protect our muscles from cramping? |
- A. Carbohydrats
- B. Vitamins
- C. Lipids
- D. Proteins
|
| 2 |
When the magnitude of Kc is very small in indicates. |
- A. Equilibrium will never establish
- B. All reactants will converted to products.
- C. Reaction will go to completion
- D. The amount of products is negligible
|
| 3 |
By the increase in the concentration of CO<sub>2</sub> in air. |
- A. Decrease in heat energy
- B. Increase in heat energy.
- C. Heat energy remains same
- D. None of them
|
| 4 |
Gypsum in water is. |
- A. Sparingly soluble
- B. Insoluble
- C. Highly soluble
- D. None of them
|
| 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 |
Margarine is produced by adding hydrogen to vegetable oil at. |
- A. 2000 <sup>o</sup>C
- B. 100<sup>o</sup>C
- C. 200<sup>o</sup>C
- D. 1000<sup>o</sup>C
|
| 7 |
Some orchids attracts bees for pollination by producing. |
- A. alkanes
- B. almenes
- C. alkynes
- D. all the above.
|
| 8 |
When CaCO<sub>3,</sub>.is heated in an open flask, it decomposes to form calcium oxides and . |
- A. O<sub>2</sub>
- B. CO
- C. CO<sub>2</sub>
- D. CO<sub>3</sub>
|
| 9 |
Who was prepared acetic acid in laboratory? |
- A. Berzelius
- B. Wohler
- C. Kolbe
- D. Dalton
|
| 10 |
The ability of carbon atoms to form chains or ring called. |
- A. Hydrogenation
- B. Chlorination
- C. Cantenation
- D. Halogenation
|
