O Level Chemistry Practice Test 11

Valence Electrons MCQ Questions PDF Download - 11

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MCQ Quiz: Valence Electrons MCQs

MCQ: Number of electrons (e^-) in phosphorus (P) is 15, valence electrons shall be

A) 2

B) 8

C) 5

D) 4

MCQ: Which statement is true about when the hot molten liquid cools?

A) first crystals are the most pure

B) impure substances may also form the crystals

C) it turns into gas

D) it turns into aqueous solution

MCQ: In Universal indicators, red color shows

A) strong acids

B) strong alkalis

C) weak acids

D) weak bases

MCQ: In the periodic table, valence electrons are indicated by

A) Group Number

B) Shell Number

C) Period Number

D) Atomic mass

MCQ: What is true about bases (OH^-)?

A) they are corrosive

B) they turn litmus from blue to red

C) they turn litmus from red to blue

D) they are non-metal oxides

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