IGCSE O Level Chemistry Certification MCQs – Practice Test 11 (Chapter 3)

Chemical Formulae and Equations Quiz with Answers PDF Download – Test 11

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Free Chemical Formulae and Equations Learning App Download (Android & iOS): Formula of Sodium Hydroxide is; MCQ with answers: naoh₂, naho, naoh, and na₂oh. Study Ionic Compounds: Crystal Lattices Quiz Questions, download Google Book (Free Chapter) to maximize chemistry digital competence.

Chemical Formulae & Equations Exam Questions and Answers PDF Download: Test 11

MCQ 51: When Sodium Hydroxide (NaOH) reacts with Copper Sulfate (CuSO₄), spectator ions will be:

sodium and copper
Copper and hydroxide
sodium and sulfate
sulfate and hydroxide

MCQ 52: The formula of Sodium Hydroxide is:

NaHO
NaOH₂
NaOH
Na₂OH

MCQ 53: When magnesium ions (Mg⁺²) react with Nitric acid (HNO₃), resulting Magnesium Nitrate (Mg(NO₃)₂) will be:

solid
liquid
aqueous
gas

MCQ 54: The symbols of the state include:

s
aq
g
all of above

MCQ 55: In Sulfuric Acid (H₂SO₄), chemical composition of Hydrogen (H) is:

0.224
0.0204
0.0224
0.244

IGCSE O Level Chemistry Quiz App & e-Book – Chemical Formulae & Equations Certification Guide

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