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

1

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

1

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

1

MCQ

CH7 - REDOX REACTIONS

Which change represents an oxidation reaction?

2016 Winter

1

MCQ

CH1 - STATES OF MATTER

Which statement explains why ammonia gas, $\text{NH}_3$, diffuses at a faster rate than hydrogen chloride gas, $\text{HCl}$?

2019 Summer

2

MCQ

CH2 - SEPARATING SUBSTANCES

2.00 g of powdered calcium carbonate is added to 50.0 cm$^3$ of hydrochloric acid. Which apparatus is used to measure the calcium carbonate and the h...

2019 Summer

2

MCQ

CH2 - SEPARATING SUBSTANCES

The measurements from a chromatography experiment using substance F are shown. The diagram is not drawn to scale.What is the $R_f$ value of F?

2019 Summer

2

MCQ

CH3 - ATOMS AND ELEMENTS

Which statement about an atom of fluorine, $^{19}_{9}\text{F}$, is correct?

2019 Summer

2

MCQ

CH4 - ATOMS COMBINING

Which row describes the formation of single covalent bonds in methane?

2019 Summer

2

MCQ

CH4 - ATOMS COMBINING

Which statement describes the structure of an ionic compound?

2019 Summer

2

MCQ

CH5 - REACTING MASSES AND CHEMICAL EQUATIONS

Propane burns in oxygen. $\text{C}_3\text{H}_8 + x\text{O}_2 \rightarrow 3\text{CO}_2 + y\text{H}_2\text{O}$Which values of $x$ and $y$ balance the eq...

2019 Summer

1

MCQ

CH5 - REACTING MASSES AND CHEMICAL EQUATIONS

A tablet contains 0.080g of ascorbic acid ($M_r = 176$).What is the concentration of ascorbic acid when one tablet is dissolved in 200 cm$^3$ of water...

2019 Summer

2

MCQ

CH1 - STATES OF MATTER

Which statement about the electrolysis of copper(II) sulfate solution using carbon electrodes is correct?

2019 Summer

1

MCQ

CH1 - STATES OF MATTER

Aluminium metal is extracted from aluminium oxide by electrolysis. Which ionic half-equation describes a reaction that occurs at the named electrode?...

2019 Summer

2