IGCSE O Level Chemistry Practice Test 16

pH Scale: Acid and Alkali Multiple Choice Questions (MCQ) PDF - 16

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pH Scale: Acid & Alkali Questions and Answers PDF Download: Quiz 16

MCQ 76: Which one is correct about Soap?

it is acidic
it is alkaline
it is neutral
it is basic

MCQ 77: An alkali (OH^-) is a

water soluble base
water insoluble base
oil soluble base
oil insoluble base

MCQ 78: Simple molecules or giant macromolecules are examples of

ionic compounds
covalent bonds
metallic bonds
dative bond

MCQ 79: Melting and boiling points of which of the following are always above room temperature

solids
liquids
gases
none of above

MCQ 80: In a reaction between CuSO₄_(s) and Zn_(s),

Zinc experiences an increase in the oxidation state
Zinc experiences a decrease in the oxidation state
Zinc undergoes reduction
none of above

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