(A) 6
(B) 18
(C) 32
(D) 23
Tag: Chemistry mcqs
Atomic number of Aluminium is?
(A) 10
(B) 11
(C) 12
(D) 13
The lustrous non metal is?
(A) Carbon
(B) Sulphur
(C) Phosphorus
(D) Iodine
Oxidation number of Hydrogen in HCL is?
(A) -1
(B) +1
(C) 0
(D) -2
A universal solvent on earth is?
(A) Ammonia
(B) Water
(C) Ether
(D) Alcohol
The compound which is non directional in bonding is?
(A) KBr
(B) CH4
(C) CO2
(D) H2O
The concept of Triads was presented by?
(A) Dobareiner
(B) Newlands
(C) Mendeleeve
(D) Mosely
Number of groups in periodic table is?
(A) 8
(B) 9
(C) 18
(D) 27