IGCSE O Level Chemistry Certification Exam Tests
IGCSE O Level Chemistry Practice Test 147
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Natural gas consists of
A constant temperature at which a pure solid change into a pure liquid is called
Which is correct about neutral oxides?
The glue hardens when it is squeezed out of the tube due to
Consider the chemical reaction ZnCO3 + HNO3 → Al(NO3)3 + H2O, number of HNO3 molecules required for a balanced equation will be
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