| 1 |
Which one of the following is not use of chlorine. |
- A. Formation PVC
- B. Formation of mustard gas
- C. Disinfectant and bleaching agent
- D. Formation of sodium chloride
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| 2 |
XeF6 n hydrolysis produces. |
- A. XeOF2
- B. XeOF3
- C. XeOF4
- D. XeF2
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| 3 |
Which noble gas is used in radiotherapy |
- A. Neon
- B. Argon
- C. Krypta
- D. Radon
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| 4 |
Bleaching powder may be produced by passing chlorine over. |
- A. Calcium carbonate
- B. Hydrated calcium sulphate
- C. Anhydrous calcium sulphate
- D. Calcium hydroxide
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| 5 |
In fluorescent tube, the gas filled is. |
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| 6 |
Which element form maximum compounds with Xenon |
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| 7 |
Which acid can not be stored in glass bottles. |
- A. HCl
- B. HF
- C. H2SO4
- D. HNO3
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| 8 |
Bleaching powder may be produced by passing chlorine over |
- A. calcium carbonate
- B. hydrated calcium sulphate
- C. calcium hydroxide
- D. magnesium hydroxide
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| 9 |
___________ is use as a cooling medium for nuclear reactors |
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| 10 |
The halogens ae best described by which of the following statements. |
- A. Their outer shell is complete
- B. Most of them are colourless
- C. They all are oxidizing agent
- D. They all are gases at room temperature
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