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प्रश्न
State one observation for each of the following :
Lead nitric is heated strongly in a test tube.
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उत्तर
Cracking noise is observed.
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संबंधित प्रश्न
From the list of the following salts choose the salt that most appropriately fits the
description is given in the following:
[AgCl, MgCl2, NaHSO4, PbCO3, ZnCO3, KNO3, Ca(NO3)2]
On heating, this salt gives a yellow residue when hot and white when cold
Write a balanced equation for the preparation of the following salts:
Zinc carbonate from Zinc sulphate
Why is the electrolysis of a concentrated solution of sodium chloride known as chlor-alkali process?
What is meant by ‘hydrated’ salts? Explain with examples.
Write the names, formulae and colours of any two hydrated salts.
When the concentrated aqueous solution of substance X is electrolysed, then NaOH, Cl2 and H2 are produced. Name the substance X. What is the special name of this process?
A salt X when dissolved in distilled water gives a clear solution which turns red litmus blue. Explain the phenomenon.
How many molecules of water of crystallisation (per formula unit) are present in:
Copper sulphate crystals
Name gases which has a sour taste.
Acids react with metallic oxides to produce ______.
