IGCSE O Level Chemistry Certification MCQs – Mock Test 47

Valency Table Notes Questions with Answers PDF Download – Test 47

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Free Valency Table Study App Download (iOS & Android): "Valency is numerically equal to the"; MCQ with answers: combining power of an atom, charge of an ion, and combining power of a radical. Study Chemical Formulae and Equations Questions and Answers, Apple Book to download free chapter to enhance chemistry remote quality.

Valency Table MCQs – Mock Test 47 PDF Download

MCQ 231: Valency is numerically equal to the:

charge of an ion
combining power of an atom
combining power of a radical
all of above

MCQ 232: PH values have a range of:

1 to 7
0 to 10
1 to 14
0 to 14

MCQ 233: The chemical formula of calcium nitrate is:

CNOH
Ca(NO₃)₂
CaNO₃
CaNO₃

MCQ 234: What is true about pure substances?

they have fixed and exact boiling point
they have fixed and exact melting points
they form only one post on chromatogram
all of above

MCQ 235: During a chemical reaction, the:

mass of catalyst remains unchanged
physical state of catalysts remain unchanged
changes in the chemical composition of catalysts may be observed
chemical composition of the catalyst may change

Valency Table Notes App & eBook – IGCSE O Level Chemistry Certification Guide

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