(A) 0
(B) 6
(C) 12
(D) 18
Tag: Inorganic Chemistry
By which organic compound all the oils are known?
(A) Ester
(B) Hydrocarbon
(C) Carbohydrate
(D) Protein
Which among the following metals provides amphoteric oxide?
(A) Calcium
(B) Aluminium
(C) Silver
(D) Sodium
Galvanization is the?
(A) Deposition of Aluminium on Iron
(B) Deposition of Copper on Iron
(C) Deposition of Tin on Iron
(D) Deposition of Zinc on Iron
When there are two electrons in the same orbital they have?
(A) Opposite spin
(B) Same spin
(C) Same or opposite spin
(D) No spin
Which of the following is not a precious/semi-precious stone?
(A) Emerald
(B) Pearl
(C) Sapphire
(D) Ruby
Silk fibre chemically is?
(A) Protein
(B) Cellulose
(C) Carbohydrate
(D) Fat
Enzyme that converts glucose to ethyl alcohol is?
(A) Maltase
(B) Invertase
(C) Zymase
(D) Diastase