(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
ICC T20 player of the decade Rashid Khan will play from which franchise in PSL 2021.
(A) Karachi Kings
(B) Lahore Qalandar
(C) Quetta Gladiators
(D) Islamabad United
Pakistan’s efforts to obtain the vaccine will cover only ___ of the population.
(A) 10%
(B) 13%
(C) 18%
(D) 20%
On January 10, 2021 due to an explosion in gold mine 22 workes were trapped in which country?
(A) India
(B) China
(C) Brazil
(D) Indonesia
___ Labor Minister Christine Ashbaker has resigned following allegations that she stole some of her university work.
(A) Nigerian
(B) Australian
(C) Austria
(D) Russian