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Question
Name gases which has a sour taste.
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Solution
Acidic gases like HCl, SO2, H2S.
RELATED QUESTIONS
Name the raw material used for the production of caustic soda.
Explain why chlorine is used for sterilising drinking water supply.
Why is the electrolysis of a concentrated solution of sodium chloride known as chlor-alkali process?
What is a salt?
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
Give one example of a salt which gives an aqueous solution having:
pH less than 7
A salt X when dissolved in distilled water gives a clear solution which turns red litmus blue. Explain the phenomenon.
State one observation for each of the following :
Lead nitric is heated strongly in a test tube.
Select the correct answer from A, B, C, D and E.
A compound which in the aqueous solution state, is neutral in nature.
