TRB MODEL QUESTIONS FOR CHEMISTRY
| 21. |
95% alcohol is known as |
| |
- A. Power alcohol
- B. Methylated spirit
- C. Absolute alcohol
- D. Rectified spirit
|
| 22. |
Which among the following is in liquid state at normal room temperature? |
| |
- A. Sodium
- B. Phosphorus
- C. Mercury
- D. None of these
|
| 23. |
Which of the following elements is the most electro–negative? |
| |
- A. Fluorine
- B. Chlorine
- C. Oxygen
- D. Nitrogen
|
| 24. |
Pascal is the S.I. unit for |
| |
- A. Force
- B. Work
- C. Energy
- D. Pressure
|
| 25. |
Electromagnetic Induction was discovered by |
| |
- A. Ampere
- B. Oersted
- C. Fleming
- D. Michael Faraday
|
