MCQ

CH7 - REDOX REACTIONS

An example of a redox reaction is shown.$$ \text{Zn} + \text{Cu}^{2+} \rightarrow \text{Zn}^{2+} + \text{Cu} $$Which statement about the reaction is c...

2017 Summer

2

MCQ

CH7 - REDOX REACTIONS

Which equation represents a reduction reaction?

2016 Summer

1

MCQ

CH7 - REDOX REACTIONS

Which type of oxide is aluminium oxide?

2017 Summer

2

MCQ

CH7 - REDOX REACTIONS

Copper metal donates electrons to silver ions.Zinc metal donates electrons to copper ions.What is the strongest reducing agent?

2017 Winter

1

MCQ

CH7 - REDOX REACTIONS

Some properties of four oxides are listed. Oxide 1 reacts with both acids and alkalis to form salts. Oxide 2 reacts with acids to form salts but doe...

2017 Winter

2

MCQ

CH7 - REDOX REACTIONS

An example of a redox reaction is shown. Zn + Cu^{2+} \rightarrow Zn^{2+} + Cu Which statement about the reaction is correct?

2017 Summer

2

MCQ

CH7 - REDOX REACTIONS

Which equation represents a reduction reaction?

2016 Summer

1

MCQ

CH7 - REDOX REACTIONS

Which oxide is amphoteric?

2017 Summer

2

MCQ

CH7 - REDOX REACTIONS

Silver chloride reacts when it is exposed to light. Which row shows what happens to the silver in this process? [Table_1]

2017 Winter

2

MCQ

CH7 - REDOX REACTIONS

Which change represents an oxidation reaction?

2016 Winter

2

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