Chemistry Past Questions and Answers

When excess ethanol is heated to 145^oC in the presence of concentrated H₂SO₄, the product is

POlyvinyl chloride is used to produce

An organic compound that does not undergo a reaction with both hydrogen cyanide and hydroxylamine can be

When the two end alkyl groups ethyl ethanoate are interchange, the compound formed is known as

From the diagram above the mass of crystals deposited when 1 dm ³ of a saturated solution of NaCl is cooled from 80 ^oC to 60^oC is
[Na = 23, Cl = 35.5]