Lessons

Eamcet Chemistry
2 nd Year : Unit 7.1 ( Block Elements ) - VA Group Elements

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Q.

When a vapour, at atmospheric pressure was gradually heated form 250C its colour was found to deepen at first and then to fade as the temperature was raised above 1600C. At 6000C the vapour was almost colourless, but its colour deepened when the pressure was raised at this temperature. The vapour was

View Answer

Correct choice: B

Explanation:

None
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