TRB MODEL QUESTIONS FOR CHEMISTRY
11. |
Petroleum is a |
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- A. Mixture
- B. Solution
- C. Compound
- D. Suspension
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12. |
Which of the following is used as domestic fuel? |
|
- A. Kerosene
- B. Petrol
- C. L.P.G
- D. L.P.G. + Kerosene
|
13. |
The vitamin that helps in the clotting of blood is |
|
- A. Vitamin A
- B. Vitamin B
- C. Vitamin D
- D. Vitamin K
|
14. |
The number of electrons required by carbon to achieve stable configuration is |
|
- A. one
- B. two
- C. three
- D. four
|
15. |
Which of the following is used as petrol? |
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- A. Heavy oil
- B. Gasoline
- C. Naphtha
- D. Paraffin oil
|