MCQ

CH17 - ORGANIC CHEMISTRY

The industrial fractional distillation of petroleum is shown.Which process happens at Y?

2017 Summer

2

MCQ

CH17 - ORGANIC CHEMISTRY

Which statement about homologous series is not correct?

2017 Summer

2

MCQ

CH17 - ORGANIC CHEMISTRY

The diagram shows the separation of petroleum into fractions.What could X, Y and Z represent?

2016 Summer

2

MCQ

CH17 - ORGANIC CHEMISTRY

Which compound is \textit{not} an alkane, $C_nH_{2n+2}$?

2016 Summer

1

MCQ

CH17 - ORGANIC CHEMISTRY

An ester is formed when a carboxylic acid reacts with an alcohol. Which ester is formed when propanoic acid and ethanol react?

2016 Summer

2

MCQ

CH17 - ORGANIC CHEMISTRY

Ethanol is manufactured by fermentation or by the catalytic addition of steam to ethene.What is an advantage of ethanol manufacture by fermentation in...

2017 Summer

1

MCQ

CH17 - ORGANIC CHEMISTRY

What is an advantage of producing ethanol by fermentation of sugar compared to the catalytic addition of steam to ethene?

2016 Summer

2

MCQ

CH17 - ORGANIC CHEMISTRY

The formula of an ester is $\text{CH}_3\text{CH}_2\text{CH}_2\text{COOCH}_2\text{CH}_2\text{CH}_3$.Which acid and alcohol react together to make the e...

2017 Summer

2

MCQ

CH17 - ORGANIC CHEMISTRY

The structures of four organic compounds are shown. Which compounds are unsaturated?

2017 Winter

2

MCQ

CH17 - ORGANIC CHEMISTRY

Petroleum is separated into fractions.Which statement is not correct?

2016 Winter

1

MCQ

CH11 - ACIDS AND BASES

A student investigated the diffusion of ammonia gas, NH$_3$, and hydrogen chloride gas, HCl.Two sets of apparatus were set up as shown at room tempera...

2018 Summer

2

MCQ

CH2 - SEPARATING SUBSTANCES

Chromatography is a technique used to separate coloured dyes.Which dye has an $R_f$ value of 0.7?

2018 Summer

2

MCQ

CH2 - SEPARATING SUBSTANCES

Which piece of apparatus is used to measure exactly 26.3 cm³ of a liquid?

2018 Summer

1

MCQ

CH4 - ATOMS COMBINING

The ‘lead’ in a pencil is made of a mixture of graphite and clay. When the percentage of graphite is increased, the pencil slides across the paper...

2018 Summer

2

MCQ

CH3 - ATOMS AND ELEMENTS

Chlorine exists as two common isotopes, $^{35}Cl$ and $^{37}Cl$.Information about these two isotopes is shown.[Table_1]Which statement explains why th...

2018 Summer

3

MCQ

CH4 - ATOMS COMBINING

Which substance is not a macromolecule?

2018 Summer

2

MCQ

CH12 - THE PERIODIC TABLE

Copper is a metallic element. Which statements about copper are correct? 1. Copper is malleable because layers of ions are in fixed positions and ca...

2018 Summer

2

MCQ

CH6 - USING MOLES

The equation for the combustion of ethane is shown.$2C_2H_6 + 7O_2 \rightarrow 4CO_2 + 6H_2O$Which volume of carbon dioxide, at room temperature and p...

2018 Summer

2

MCQ

CH5 - REACTING MASSES AND CHEMICAL EQUATIONS

A solution of ethanoic acid, CH$_3$COOH, has a concentration of 2 mol/dm$^3$.Which statement about this solution is correct?

2018 Summer

2

MCQ

CH7 - REDOX REACTIONS

Aqueous copper(II) sulfate is electrolysed using copper electrodes. Which statement is correct?

2018 Summer

2