1.

Which one of the following statements is not true at room temperature and pressure?

Answer»

`p_(4) O_(10)` is a white solid.
`SO_(2)` is a colourless GAS.
`SO_(3)` is a colourless gas.
`NO_(2)` is a brown gas.

Solution :`SO_3` is a colourless gas, but TRANSPARENT crystalline solid at room TEMPERATURE.


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