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O Level Chemistry Practice Test 33

Molecules and Compounds Quiz Answers PDF Download - 33

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Chemistry: Molecules & Compounds MCQs Quiz PDF Download

MCQ: Alloys are a form of which of the following?

A) mixture
B) compound
C) metal
D) transition metals

MCQ: What is true about baking powder?

A) it is acidic
B) it is alkaline
C) it is neutral
D) it is salty

MCQ: Relative formula mass of aluminum sulphate (NH4)2SO4 is

A) 132.14 g/mol
B) 113.14 g/mol
C) 139.33 g/mol
D) 143.69 g/mol

MCQ: If metal hydroxide (-OH-) and acid (H+) reaction to form Potassium Nitrate (KNO3), the other by-product will be

A) water
B) hydrogen
C) Carbon dioxide
D) water and carbon dioxide

MCQ: Polarization occurs due to

A) rapid dissolving of magnesium in dilute acid
B) slow dissolving of magnesium in conc. Acid
C) copper electrode gets covered with bubbles of hydrogen gas
D) copper electrode gets covered with bubbles of ammonia gas

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