1.

A colourless gas is liberated when sodum is dropped into water. name the gas evolved and write a test to identify the gas.please answer its urgent

Answer»

The following reaction takes place-

Na + H2O---->NaOH + H2 + Heat

The GAS evolved is hydrogen.

To test this, bring the test TUBE infront of a burning candle by CLOSING the test tube with your thumb and then releasing it near the burning candle. This will give you a pop sound. This shows that hydrogen is evolved.



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