(A) It immediately combines with oxygen to form water
(B) It is highly inflammable
(C) It is the lightest gas
(D) It is absorbed by the plants
Tag: Inorganic Chemistry
Petroleum is a mixture of?
(A) Hydrocarbons
(B) Elements
(C) Polymers
(D) Salts
Milk sugar is?
(A) Galactose
(B) Maltose
(C) Lactose
(D) Sucrose
Water can be separated from alcohol water mixture by?
(A) Sublimation
(B) Distillation
(C) Decantation
(D) Evaporation
Plaster of paris is made partial dehydration of?
(A) Green Vitriol
(B) Epsom Salt
(C) Gypsum Salt
(D) Blue Vitriol
Which could be used as fuel in propellant or rockets?
(A) Liquid Oxygen and Liquid Argon
(B) Liquid Hydrogen and Liquid Nitrogen
(C) Liquid Nitrogen and Liquid Oxygen
(D) Liquid Hydrogen and Liquid Oxygen
Which acid is present in gastric juice?
(A) Citric acid
(B) Hydrochloric acid
(C) Acetic acid
(D) Methanoic acid
If all bullets could not be removed from gunshot injury of a man it may cause poisoning by?
(A) Iron
(B) Arsenic
(C) Lead
(D) Mercury