IGCSE A Level Chemistry MCQs - Chapter 19
Moles and Equations Multiple Choice Questions (MCQs) PDF Download - 1
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Moles and Equations MCQs with Answers PDF Download: MCQ Quiz 1
During a chemical reaction, atoms can not be
- created only
- destroyed only
- converted
- created and destroyed
The ratio of hydrogen to oxygen in a water molecule is equal to
- 1:2 ratio
- 2:1 ratio
- 4:3 ratio
- 1:4 ratio
A hydrocarbon which is composed of only one carbon and hydrogen is called
- methylidyne
- propane
- methane
- ethane
When there is a low concentration of solute in a solution, it is known as
- diluted solution
- saturated solution
- concentrated solution
- unsaturated solution
The atoms which have the same number of protons but different number of neutrons are called
- isotopes
- isomers
- spectators
- allotropes
IGCSE A Level Chemistry Mock Tests
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