Practise

Question bank

Original exam-style questions, mapped to your syllabus. Answers are checked for mathematical equivalence and every attempt updates your mastery.

12 questions

SA-OC-TN-0011 markL1 FoundationCalculatorTransition elements

Which is a property of transition elements?

Salam Academy Original Practice · Proposed mark scheme

SA-OC-TN-0021 markL1 FoundationCalculatorTransition elements

Which metal is used as a catalyst in the Haber process?

Salam Academy Original Practice · Proposed mark scheme

SA-OC-TN-0051 markL1 FoundationCalculatorNoble gases

Noble gases are unreactive because they

Salam Academy Original Practice · Proposed mark scheme

SA-OC-TN-0121 markL1 FoundationCalculatorNoble gases

Which is a noble gas?

Salam Academy Original Practice · Proposed mark scheme

SA-OC-TN-0031 markL2 StandardCalculatorTransition elements

Iron forms both

\mathrm{Fe^{2+}}

and

\mathrm{Fe^{3+}}

ions. This shows transition elements

Salam Academy Original Practice · Proposed mark scheme

SA-OC-TN-0041 markL2 StandardCalculatorTransition elements

A solution containing

\mathrm{Cu^{2+}}

ions is

Salam Academy Original Practice · Proposed mark scheme

SA-OC-TN-0061 markL2 StandardCalculatorNoble gases

Helium is used in balloons because it

Salam Academy Original Practice · Proposed mark scheme

SA-OC-TN-0071 markL2 StandardCalculatorNoble gases

Argon is used in welding to

Salam Academy Original Practice · Proposed mark scheme

SA-OC-TN-0081 markL2 StandardCalculatorTransition elements

Compared with potassium, iron is

Salam Academy Original Practice · Proposed mark scheme

SA-OC-TN-0091 markL2 StandardCalculatorTransition elements

What is the charge on the iron ion in iron(III) oxide,

\mathrm{Fe_2O_3}

? Enter the number.

Salam Academy Original Practice · Proposed mark scheme

SA-OC-TN-0101 markL2 StandardCalculatorNoble gases

Noble gases exist as

Salam Academy Original Practice · Proposed mark scheme

SA-OC-TN-0111 markL3 ExamCalculatorTransition elements

Element Z has a melting point of

1900\,^\circ\mathrm{C}

, forms a green chloride and catalyses a reaction. Z is most likely

Salam Academy Original Practice · Proposed mark scheme