IGCSE O Level Chemistry MCQs – Practice Test 10 (Chapter 1)

Acids and Bases MCQ with Answers PDF Download – Test 10

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Acids & Bases MCQ PDF Download – Practice Test 10

MCQ 46: With acids, universal indicators show a color:

of red
of blue
of green
of violet

MCQ 47: A base is a class of chemical substances which includes all:

metal oxides
metal hydroxides
non-metal oxides
none of above

MCQ 48: In Universal indicators, a pH of 4 to 7 indicates:

strong acids
weak acids
weak alkalis
strong alkalis

MCQ 49: H₂SO₄ is the formula of:

Sulfatic acid
Sulfuric acid
Sulfurous acid
Hydrogen Sulfide

MCQ 50: HCl_(g) dissolved in Methylbenzene (C₇H₈) shows no change on litmus paper because:

it is highly acidic
no free hydrogen protons are available
the solution is highly ionic
the solution contains hydroxyl ions only

IGCSE O Level Chemistry Notes App & e-Book – Acids & Bases Exam Prep

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