IGCSE O Level Chemistry Practice Test 33
Molecules and Compounds Quiz Questions and Answers PDF Download - 33
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Molecules & Compounds Questions and Answers PDF Download: MCQ 33
Alloys are a form of which of the following?
- mixture
- compound
- metal
- transition metals
What is true about baking powder?
- it is acidic
- it is alkaline
- it is neutral
- it is salty
Relative formula mass of aluminum sulphate (NH4)2SO4 is
- 132.14 g/mol
- 113.14 g/mol
- 139.33 g/mol
- 143.69 g/mol
If metal hydroxide (-OH-) and acid (H+) reaction to form Potassium Nitrate (KNO3), the other by-product will be
- water
- hydrogen
- Carbon dioxide
- water and carbon dioxide
Polarization occurs due to
- rapid dissolving of magnesium in dilute acid
- slow dissolving of magnesium in conc. Acid
- copper electrode gets covered with bubbles of hydrogen gas
- copper electrode gets covered with bubbles of ammonia gas
IGCSE O Level Chemistry Exam Prep Tests
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