MCQ

CH4 - ATOMS COMBINING

Graphite and diamond are both forms of the element carbon.Which row shows the number of other carbon atoms that each carbon atom is covalently bonded ...

2017 Summer

1

MCQ

CH4 - ATOMS COMBINING

The table shows the electronic structure of four atoms.[Table_1]Which two atoms combine to form a covalent compound?

2016 Summer

2

MCQ

CH4 - ATOMS COMBINING

Which statement describes metallic bonding?

2017 Summer

1

MCQ

CH4 - ATOMS COMBINING

Which statement describes the attractive forces between molecules (intermolecular forces)?

2016 Summer

2

MCQ

CH4 - ATOMS COMBINING

Metals consist of a lattice of positive ions in a 'sea of electrons'.Why is aluminium malleable?

2016 Summer

2

MCQ

CH4 - ATOMS COMBINING

In which ionic compound do the metal ion and the non-metal ion have the same electronic structure?

2016 Winter

2

MCQ

CH4 - ATOMS COMBINING

The structure of methanal is shown. Which diagram shows the arrangement of outer shell electrons in a molecule of methanal?

2016 Winter

1

MCQ

CH4 - ATOMS COMBINING

Which dot-and-cross diagram shows the outer shell electron arrangement in a molecule of carbon dioxide?

2017 Winter

2

MCQ

CH4 - ATOMS COMBINING

Iron is a metal. Its structure consists of a giant lattice of positive ions in a 'sea of electrons'.Which statements about solid iron are correct?1. I...

2016 Winter

2

MCQ

CH4 - ATOMS COMBINING

The table shows the electronic structure of four atoms.[Table_1] Which two atoms combine to form a covalent compound?

2016 Summer

2

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

3

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

2

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