State what would you observe when :
Washing soda crystals are exposed to the atmosphere.

State what would you observe when : The salt ferric chloride is exposed to the atmosphere.

What do you observe when : Burning sulphur.

What do you observe when : Blue copper sulphate crystals are heated?

Give reasons : A white powder is formed on the surface of washing soda crystals when left exposed to atmosphere.

What do you observe when : Opening the soda water bottle.

When washing soda is heated

What do you observe when : Chlorine water is exposed to sunlight.

What do you observe when : Glauber's salt exposed to air.

What happens when sodium is left exposed to atmosphere?

Certain amount of washing soda crystals are exposed to atmosphere, a loss in weight was noticed. How can you account for this ?