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2014 Chemistry – PEM Trial ( Practise Mode Multiple Choice )

What reactants are needed to produce this ester?

Biochemical oxygen demand (BOD) is an indication of which of the following?

In which of the following pairs is the second substance the conjugate acid of the first substance?

Which of the following is NOT a suitable method to distinguish between propene and octane?

Which of these statements is true about the atmosphere?

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In which of the following mixtures would a reaction occur?

A small sample of a white solid was added to nitric acid, resulting in the formation of bubbles as the solid disappeared. Another sample of the same solid changed a colourless Bunsen flame to red.

Atomic absorption spectroscopy (AAS) is the most suitable method to find the concentration of the named ions in which solution? A solution which contains

Ethylene can be obtained by which of the following methods?

Which of the following causes the LEAST damage to the ozone layer?

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Which of the following has the highest boiling point?

In which of the following is there a decrease in the oxidation state of the underlined element?

Which of the following is a correct nuclear equation for the production of a transuranic element?

This is the equation of a system at equilibrium:

What is a difference between the combustion and the fermentation of glucose?

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These are the colours of four indicators at low and high pH, and the pH range in which they change colour.

A student prepared a primary standard solution of benzoic acid in a volumetric flask, and used it to standardise a sodium hydroxide solution. For which pieces of equipment should distilled water be the last rinse before the start of the experiment?

In which of the following pairs of ionic compounds does the first one form an acidic solution and the second one a basic solution?

Cellulose an example of which of the following?

What is the common name of CH2=CHCl?

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