Chapter 20: IGCSE A Level Chemistry Exam Tests
IGCSE A Level Chemistry MCQs - Chapter 20
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MCQ 81: When acid rain falls in the river and lakes, the pH of water will
MCQ 82: Explosive such as trinitrotoluene (TNT) is made by
MCQ 83: Stunted growth and yellow leaves in a plant are the indicators of
MCQ 84: Marine animals die due to lack of oxygen in water which disturbs whole
MCQ 85: In car engine, the fuel is in compressed form and ignited by
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