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