(A) Aqua Ragia
(B) Sulphuric acid
(C) Hydrochloric acid
(D) Nitric acid
Tag: Inorganic Chemistry
Lustre of the metals is because of?
(A) High density due to closed packing of atoms.
(B) High polish.
(C) Reflection of light due to the presence of free electrons.
(D) Absorption of light due to the presence of cavities.
Buckey-balls are basically the allotropes of?
(A) Calcium
(B) Phosphorous
(C) Carbon
(D) Sulphur
Purity of gold is expressed in carats. The purest form of gold is?
(A) 24 Carats
(B) 99.6 Carats
(C) 91.6 Carats
(D) 22 Carats
Which among the following is ‘’Fool’s Gold’’?
(A) Silver Bromide
(B) Brass
(C) Iron Sulfide
(D) Copper Sulphate
Haber process is used to produce which among the following?
(A) Nitrates
(B) Urea
(C) Potash
(D) Ammonia
Cream gets separated out of milk when it is churned. This is due to?
(A) Frictional force
(B) Centrifugal force
(C) Centripetal force
(D) Gravitational force
Which among the following does not have 8 valence electrons?
(A) Xe
(B) Ar
(C) He
(D) Ne