(A) Acid
(B) Base
(C) Salts
(D) Alkalies
Category: Chemistry Mcqs
Chemistry Mcqs for MCAT MDCAT NTS Test PPSC FPSC KPPSC preparation Online Written exam and interview question answers.
Those substances which give hydrogen ions in water are called
(A) Base
(B) Salts
(C) Neutral
(D) Acid
KHSO4 is a ?
(A) Base
(B) Acid
(C) Neutral
(D) Salt
Neutral solution has pH value of
(A) 3
(B) 5
(C) 7
(D) 14
According to Bronsted, Acids are
(A) Proton accepter
(B) Electron donor
(C) Proton donor
(D) Electron accepter
Over __________ of the elements in the Periodic Table are Metals
(A) 60%
(B) 65%
(C) 70%
(D) 75%
Isotopes are atoms of the same element with different numbers of
(A) Protons
(B) Electrons
(C) Neutrons
(D) Positron
The most abundant constituent in Air is
(A) Oxygen
(B) Hydrogen
(C) Carbondioxide
(D) Nitrogen
__________ are biological catalysts.
(A) Enzymes
(B) Minerals
(C) Proteins
(D) Vitamins
The best soil pH value for most crops and plants is
(A) 4.5
(B) 5.5
(C) 6.5
(D) 7.5