| 26. | Electric current produces plasma and light when passed through |
| a. | neon gas |
| b. | sulphur |
| c. | hydrogen |
| d. | oxygen |
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Answer: (a).neon gas
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| 27. | In equation p=xP(total pressure of gas) x is |
| a. | molar mass of gas |
| b. | mole fraction of gas |
| c. | molarity of gas |
| d. | molecularity of gas |
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Answer: (a).molar mass of gas
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| 28. | Gas chlorine has high value of constant |
| a. | b |
| b. | a |
| c. | c |
| d. | d |
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Answer: (a).b
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| 29. | Plasma is neutral |
| a. | microscopically |
| b. | macroscopically |
| c. | on small scale |
| d. | on large scale |
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Answer: (b).macroscopically
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| 30. | One mole of gas at ideal conditions have volume of |
| a. | 22.414dm cube |
| b. | 24.14 dm3 |
| c. | 37.14dm cube |
| d. | 44.14 dm cube |
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Answer: (a).22.414dm cube
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