IGCSE O Level Chemistry Competitive Exam MCQs – Practice Test 29 (Chapter 3)

Chemical Formulae and Equations MCQs with Answers PDF Download – Test 29

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Free "IGCSE O Level Chemistry" App Download with MCQ: Formula Al(NO₃)₃ indicates that; with answers: three molecules of aluminum are combined with three molecules of nitrate ion, three molecules of aluminum are combined with three molecules of nitrogen oxide, one molecules of aluminum is combined with three molecules of nitrate ion, and one molecules of aluminum is combined with one molecules of nitrate ion to develop chemistry skills. Solve Save Energy: O Level Chemistry Quiz Questions, download Google e-Book (Free Chapter) to maximize chemistry engagement.

Chemical Formulae & Equations MCQs with Answers PDF Download: MCQ Quiz 29

MCQ 141: Formula Al(NO₃)₃ indicates that:

three molecules of aluminum are combined with three molecules of Nitrogen oxide
three molecules of aluminum are combined with three molecules of Nitrate ion
one molecules of aluminum is combined with three molecules of Nitrate ion
one molecules of aluminum is combined with one molecules of Nitrate ion

MCQ 142: In the acid and base reaction, the product includes a/an:

salt
water
acids
base

MCQ 143: In Na₂CO₃.10H₂O, the relative formula mass is:

MCQ 144: Valency of magnesium is:

+1
+2
-1
-2

MCQ 145: Valency of Plumblum can be:

2 or 4
4 or 6
3 or 5
2 or 3

Chemical Formulae & Equations MCQs App & e-Book – IGCSE O Level Chemistry Competitive Exam

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