BMAT 2021 Section 2 Question 6
The industrial manufacture of ethanol from ethene is a catalysed reversible reaction. The equation for this reaction is:C2H4(g) + H2O(g)֖ C2H5OH(g) ΔH = – 46 kJ mol –1Which of the…
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19 January 2024
BMAT 2020 Section 2 Question 6
Hot, concentrated aqueous sodium hydroxide and chlorine react as shown in the equation:6NaOH + 3Cl2 → 5NaCl + NaClO3 + 3H2OWhich of the following statements is/are correct?1 Chlorine has oxidation…
18 January 2024
BMAT 2019 Section 2 Question 6
A chemist used electrolysis to electroplate a pure copper rod with a layer of silver. The concentration of metal ions in the electrolyte was kept constant. Which row in the…
18 January 2024
BMAT 2018 Section 2 Question 6
The diagram below shows the apparatus that can be used in fractional distillation. Which of the following statements is/are correct about the process shown in the diagram?1 Covalent bonds between…
18 January 2024
BMAT 2017 Section 2 Question 6
Which of the following atoms and ions contain(s) 20 neutrons and 18 electrons? 1 –23416 S2 –lC37173 Ar40184 +K39195 Ca Answer: 6) D Remember mass number = no. of protons…
17 January 2024
BMAT 2016 Section 2 Question 6
Which one of the following mixtures could not be separated using the technique given? Answer: 5) B It is easy to identify W as a chromosome. This rules out options…
12 January 2024
BMAT 2015 Section 2 Question 6
The diagram shows the suggested changes in energy labelled as a, b, c, d and e, during a chemical change from reactants to products. Which value is the correct energy…
12 January 2024
BMAT 2014 Section 2 Question 6
Which row in the table correctly explains why an increase in temperature increases the rate of a reaction? Answer: When the temperature of a reaction is increased, the particles gain…
12 January 2024
BMAT 2013 Section 2 Question 6
The following reaction is at equilibrium: 2R(g) + 3S(g) 2T(g) llH is negative which conditions (A-E) would produce most of the product T? Answer: 6) B In order to produce…
12 January 2024
BMAT 2012 Section 2 Question 6
The diagram represents the molecule lecithin, a chemical that is added to chocolate drinks to prevent the oils separating out from water. Which row of the table below correctly identifies…
11 January 2024