(A) Metallic character increases from left to right along a period
(B) Metallic character increases down the group
(C) Metallic character remains the same from left to right along a period
(D) Metallic character remains the same down the group
Tag: Inorganic Chemistry
In the reaction PbO + C → Pb + CO?
(A) Reaction does not present a redox reaction.
(B) C acts as a reducing agent
(C) PbO is oxidized
(D) C acts as oxidizing agent
Chemical used in photography is?
(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