(A) BF3
(B) N2
(C) O2
(D) NH3
Category: Chemistry Mcqs
Chemistry Mcqs for NTS, PPSC, FPSC, SPSC, KPPSC, AJKPSC, PMS, NAT, PTS, Educators, Lecturer and all other exams. Chemistry Mcqs portion will cover mcqs related to Acids, bases, PH,
atomics structure, electrochemistry, thermochemistry, periodic table, chemicals, atomic theory, chemical bonding, Transition metals, periodic table facts, compounds, properties of organic compounds, covalent bond,
Ionic bond and all other topics related to chemistry will be covered here.
Atomic radius of Carbon is?
(A) 77 pm
(B) 88 pm
(C) 113 pm
(D) 75 pm
___ halogen has the lowest electronegativity.
(A) Chlorine
(B) Bromine
(C) Iodine
(D) Flourine
Electrons can revolve only in those orbits which have fixed angular momentum?
(A) mvr=[2nh/3Π]
(B) mvr=[2nh/Π]
(C) mvr=[nh/2Π]
(D) mvr=[nh/Π]
One gram molecule of H2 is?
(A) 1.008 gram
(B) 2 gram
(C) 1 gram
(D) 1.8 gram
Symbol of Potassium is?
(A) P
(B) Ag
(C) Hg
(D) K
Dehydration of alcohols can be carried out with?
(A) KOH
(B) NaOH
(C) HCL
(D) H2SO4
Pitch is black residue of?
(A) Coke
(B) Coal Tar
(C) Coal
(D) Coal gas