(A) Catalyze Biochemical action
(B) Chemical action
(C) Chemical process
(D) None of the above
Tag: Chemistry mcqs
Enzymes have ___ units.
(A) Carbon
(B) Polypeptide
(C) Hydrocarbon
(D) None of the above
The helical structure of proteins is stabilized by which bond?
(A) Ionic
(B) Hydrogen
(C) Covalent
(D) None of the above
To which class of compounds enzymes belongs?
(A) Proteins
(B) Phenols
(C) Alcohols
(D) None of the above
___ is a reduction reaction.
(A) Fe2+—>Fe3++e–
(B) Zn—>Zn2++2e–
(C) Na—>Na++1e–
(D) Cl+1e–—>Cl–
Color of concentrated solution of KMnO4 is?
(A) Green
(B) Golden
(C) Blue
(D) Purple
KCl is soluble in?
(A) Benzene
(B) Ether
(C) Petrol
(D) Water
What is the density of iron?
(A) 17.86 g cm-3
(B) 7.86 g cm-3
(C) 27.86 g cm-3
(D) 2.70 g cm-3