IGCSE A Level Chemistry Practice Test 267
Polyamides Quiz Questions with Answers PDF Download - 267
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Polyamides Quiz with Answers PDF Download: MCQs 267
Climbing ropes are made from
- plastic
- wood
- rubber
- nylon
Consider the reaction: (NH2)2CO + H2O → NH3 + CO2. The substrate in this reaction is
- urease
- urea
- water
- Hydrogen Gas
According to Lord Kelvin the particles in a gas will stop moving and gas will have zero volume at temperature in °C i.e.
- −273
- −723
- −732
- −700
When sodium (Na) is heated and added to chlorine gas (Cl2) jar it forms
- sodium chloride
- sodium bicarbonate
- sodium sulfide
- water
The number of electrons (e-) are always equal to number of protons(p+) in a
- neutral atom
- positive ion
- negative ion
- isotope
IGCSE A Level Chemistry Exam Prep Tests
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