IGCSE O Level Chemistry Practice Test 147
Valency and Chemical Formula Quiz Questions with Answers PDF Download - 147
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The Quiz: Natural gas consists of; "Valency & Chemical Formula" App (iOS, Android) with answers: ethane, methane, butane, and propane for colleges that offer certificate programs. Study Chemical Formulae and Equations Questions and Answers, Google eBook to download free sample for SAT test.
Valency & Chemical Formula Quiz with Answers PDF Download: MCQs 147
Natural gas consists of
- methane
- ethane
- propane
- butane
A constant temperature at which a pure solid change into a pure liquid is called
- latent heat of vaporization
- elevation in boiling point
- melting point
- boiling point
Which is correct about neutral oxides?
- they are soluble in water
- they are insoluble in water
- they are metallic oxides
- none of above
The glue hardens when it is squeezed out of the tube due to
- solidification of solvent
- evaporation of solvent molecules
- evaporation of adhesive molecules
- evaporation of solute particles
Consider the chemical reaction ZnCO3 + HNO3 → Al(NO3)3 + H2O, number of HNO3 molecules required for a balanced equation will be
- 1
- 2
- 3
- 4
IGCSE O Level Chemistry Exam Prep Tests
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