(A) 2
(B) 8
(C) 18
(D) 32
Tag: Chemistry mcqs
The molar mass of H2SO4 is?
(A) 98 g
(B) 98 amu
(C) 9.8 g
(D) 9.8 amu
The empirical formula of Hydrogen peroxide is?
(A) HO
(B) H2O
(C) HO2
(D) H2O2
The oxidation number of nitrogen in nitric acid is?
(A) +2
(B) +3
(C) +4
(D) +5
The chemical formula of rust is?
(A) FeSO4
(B) Fe2O3
(C) Fe2O2
(D) Fe2N3
Butter is an example of solution?
(A) Gas in liquid
(B) Liquid in solid
(C) Solid in liquid
(D)
The number of elements in Sixth period is?
(A) 8
(B) 18
(C) 22
(D) 32
The elements which are present on the extreme left side of the periodic table are called?
(A) Halogen group
(B) Alkaline earth metals
(C) Noble gases
(D) Alkali Metals