(A) Sodium chloride
(B) Potassium nitrate
(C) Aluminium hydroxide
(D) Silver bromide
Smoke is formed due to the?
(A) Gas dispersed in gas
(B) Gas dispersed in solid
(C) Solid dispersed in gas
(D) None of the above
Preparation of Dalda ghee from vegetable oil utilizes which process?
(A) Hydrogenation
(B) Oxidation
(C) Hydrolysis
(D) Ozonolysis
In modern periodic table how many number of periods are?
(A) 5
(B) 6
(C) 7
(D) 8
Polymer used in making plastic crockery is?
(A) Melamine
(B) Bakelite
(C) Decron
(D) Nylon
When concentrated H2SO4 is added to dry KNO3 brown fumes are involved. These fumes are due to?
(A) N2O
(B) NO2
(C) SO2
(D) SO3
When formaldehyde and potassium hydroxide are heated we get?
(A) Ethyl format
(B) Methane
(C) Methyl alcohol
(D) Acetylene
Substance which readily forms colloidal solution in contact with water is called?
(A) Hydrophilic colloid
(B) Extrinsic colloid
(C) Hydrophobic colloid
(D) Associated colloid