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प्रश्न
State whether the following statement is true or false:
Copper sulphate crystals are always wet due to the presence of water of crystallisation in them.
उत्तर
False
Water of crystallisation is an integral part of the crystal structure of salts. It is not free or additional water outside the crystal; thus, salts do not appear wet. They seem to be completely dry.
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संबंधित प्रश्न
Write a balanced equation for the preparation of the following salts:
Zinc carbonate from Zinc sulphate
What happens when copper sulphate crystals are heated strongly? Explain with the help of an equation.
Explain why chlorine is used for sterilising drinking water supply.
What is meant by 'hydrated' and 'anhydrous' salts? Explain with examples.
Give one example of a salt which gives an aqueous solution having:
pH more than 7
Write the name and formula of one salt each which contains:
five molecules of water of crystallisation
Define the following term : Water of crystallization
What is deliquescence? What name is given to the compounds exhibiting such property?
State what would you observe when :
Washing soda crystals are exposed to the atmosphere.
Name gases which has a sour taste.
