Which is manufactured by contact process?
HNO3
H2SO4
HCl
H3PO4
Which is known as 'Royal Water'?
Aquaforbis
Aquaregia
Chlorine rich water
Oxygen rich water
What is the chemical formula of oleum?
HCL
H2S2O7
H2SO3
The gas which can be easily liquefied by applying pressure
Hydrogen
Oxygen
Carbon dioxide
Ammonia
Which of the following is a drying agent?
FeO
CuO
CaO
MgO
A factor which does not affect the equilibrium system is
Reactant
product
catalyst
solvent
Reaction of sulphuric acid with water is ___________ process.
Reversible
Irreversible
Exothermic
Endothermic
Which is the most abundant element in the atmosphere?
Nitrogen
Neon
Which is produced by heating a mixture of Ca(OH)2 and NH4Cl?
Which is known as king of chemicals?
CH3COOH