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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
Write a balanced chemical equation for Action of dilute hydrochloric acid on magnesium sulphite.
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.
Complete and balance the following chemical equations:
`NaCl + NH_3 + H_2O +CO_2`→
Explain why chlorine is used for sterilising drinking water supply.
The products of chlor-alkali process are:
(a) NaCl, Cl2 and H2
(b) H2, Cl2 and NaOH
(c) Cl2, Na2CO3 and H2O
(d) NaOH, Cl2 and HCl
The aqueous solution of one of the following salts will turn phenolphthalein indicator pink. This salt is:
(a) KCl
(b) K2SO4
(c) K2CO3
(d) KNO3
A salt X when dissolved in distilled water gives a clear solution which turns red litmus blue. Explain the phenomenon.
Name a salt whose solubility decreases with temperature.
Define the following term:
Efflorescence
Identify the following substance:
Gas C has an offensive smell like rotten eggs.
