Question Text
Question 2 :
In the given equation identify the role played by concentrated sulphuric acid<br>S + 2H{tex}_2{/tex}SO{tex}_4{/tex} ⎯→ 3SO{tex}_2{/tex} + 2H{tex}_2{/tex}O :
Question 7 :
Dilute sulphuric acid will produce a white precipitate when added to a solution of :
Question 9 :
Gas liberated when dil. HCl gas is added to iron (II) sulphide.
Question 10 :
The gas produced by the action of concentrated sulphuric acid on sodium chloride is HCl
Question 11 :
The aim of the fountain experiment is to prove that :
Question 14 :
The temperature at which catalytic oxidation of ammonia is carried out :
Question 17 :
When hot concentrated sulphuric acid is added to sulphur it gets oxidised to :
Question 19 :
When dilute sulphuric acid reacts with iron sulphide, the gas evolved is :
Question 20 :
When sulphuric acid is added to sodium carbonate brisk effervesence is produced which is due to :
