(A) Cupric oxide
(B) Cobalt oxide
(C) Ferrous oxide
(D) Nickel oxide
Tag: Inorganic Chemistry
The pH of human blood is between?
(A) 4.4 to 5
(B) 8 to 9
(C) 6.5 to 7
(D) 7.5 to 8
Metallic constituents of hard water are?
(A) Iron, Tin and Calcium
(B) Magnesium, Calcium and Tin
(C) Calcium, Magnesium and Iron
(D) Magnesium, Tin and Iron
Which of the following vegetable oils does not contain essential fatty acids?
(A) Mustard oil
(B) Sunflower oil
(C) Coconut oil
(D) Groundnut oil
LPG is a hydrocarbon consisting of a mixture of?
(A) Ethane and Propane
(B) Ethane and Butane
(C) Propane and Butane
(D) Methane and Butane
PVC is obtained by the polymerisation of?
(A) Vinyl Chloride
(B) Propane
(C) Styrene
(D) Acetylene
Saccharin is made up of?
(A) Propane
(B) Phenol
(C) Toluene
(D) Butane
Which of the following type of the coal has the lowest proportion of volatile matter?
(A) Bituminous
(B) Peat
(C) Lignite
(D) Anthracite