Home: Chemistry MCQs

Q. pH is an abbreviation for?
(A) Power of Hydrogen
(B) Possibility of Hydrogen
(C) Population of Hydrogen
(D) Position of Hydrogen

The answer is: (A) Power of Hydrogen ☑

Q. The elements in group 1A are known as
(A) alkanes
(B) alkenes
(C) alkali metals
(D) halogens

The answer is: (C) alkali metals ☑

Q. The elements in group 7A are known as
(A) alkanes
(B) alkenes
(C) alkali metals
(D) halogens

The answer is: (D) halogens ☑

Q. A periodic table is showing the element Sodium as below. What is atomic number and mass number of the element sodium?
(A) Atomic Number = 11 and Mass Number  = 23
(B) Atomic Number = 23 and Mass Number  = 11
(C) Atomic Number = 11 and Electronegativity = 23
(D) Atomic Number = 11 and Valency = 23

The answer is: (A) Atomic Number = 11 and Mass Number  = 23 ☑

Q. The molecular formula of methanol
(A) CH₂OH
(B) CH₃OH
(C) CH₂Cl₃
(D) CH₃Cl₂

The answer is: (B) CH₃OH ☑

Q. The molecular formula of glucose
(A) C₆H₁₁O₅
(B) C₆H₁₂O₅
(C) C₆H₁₁O₆
(D) C₆H₁₂O₆

The answer is: (D) C₆H₁₂O₆ ☑

Chemistry MCQs

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