O Level Chemistry Practice Test 169

College Chemistry Quiz Questions PDF - 169

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Chemistry Quiz: College Chemistry MCQs PDF Download - 169

MCQ: The pH of the soil can be controlled through

A) acid rains

B) neutralization

C) hydrolases

D) reversible reactions

MCQ: In Na₂CO₃, the relative atomic mass of sodium is

A) 23

B) 46

C) 48

D) 58

MCQ: The proton number of Fluorine (F) is 9, the electron number is

A) 2, 5

B) 2, 7

C) 2, 9

D) 2, 6

MCQ: In a titration, the endpoint is indicated through

A) precipitation of salt

B) crystallization of salt

C) change in the color of solution

D) none of above

MCQ: Relative molecular mass of Sulfuric Acid (H₂SO₄) is

A) 98

B) 58

C) 108

D) 120

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