IGCSE O Level Chemistry Certification Exam Tests
IGCSE O Level Chemistry Practice Test 59
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What is correct about acids?
Molar mass of Calcium Carbonate CaCO3 is
If the nucleon number of potassium is 39, the number of neutrons will be
Which one of these is an incorrect statement about an exothermic reaction?
Consider the reaction: CuO + H2SO4 → CuSO4 + H2O. The salt is obtained through the
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