CHM292 practical chemistry IV physical and organic TMA2 2018 questions and answer

Question 1 which indicator is suitable in determination of vinegar

Answer is phenolphthalein

Question 2 which of these statement is true of methylene chloride?

Answer is methylene chloride is a cancinogen

Question 3 one of this apparatus is required in the production of cyclohexane using cyclohexanol

Answer is simple distillation operattus

Question 4 the rule stating that majority product is usually the more highly substituted alkene is called?

Answer is sayzeff

Question 5 when unknown sample is found to be soluble in it could be all the following except?

Answer is hydrocarbon

Question 6 dissolving non volatile solute in a liquid affect all but one of the following?

Answer is temperature

Question 7 usually retention time increase with increase in?

Answer is size and polarity

Question 8 in chromatography a solvent or a mixture of solvent is called?

Answer is eluent

Question 9 sample to be analysed is technically known as?

Answer is analyte

Question 10 the method used for separating the component of a mixture by their differential distribution between a stationary phase and a mobile phase is called?

Answer is chromatography.

The end.

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