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Practise

Question bank

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

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12 questions

SA-AC-PE-0011 markL1 FoundationCalculatorPhysical trends

Across period 3, atomic radius

Salam Academy Original Practice · Proposed mark scheme

SA-AC-PE-0121 markL1 FoundationCalculatorPhysical trends

Across period 3, elements change from

Salam Academy Original Practice · Proposed mark scheme

SA-AC-PE-0021 markL2 StandardCalculatorPhysical trends

The period 3 element with the highest melting point is

Salam Academy Original Practice · Proposed mark scheme

SA-AC-PE-0031 markL2 StandardCalculatorPhysical trends

Sulfur has a higher melting point than phosphorus because

Salam Academy Original Practice · Proposed mark scheme

SA-AC-PE-0041 markL2 StandardCalculatorOxides and chlorides

The pH of the solution formed when sodium oxide reacts with water is about

Salam Academy Original Practice · Proposed mark scheme

SA-AC-PE-0051 markL2 StandardCalculatorOxides and chlorides

Which period 3 oxide is amphoteric?

Salam Academy Original Practice · Proposed mark scheme

SA-AC-PE-0061 markL2 StandardCalculatorOxides and chlorides

\mathrm{P_4O_{10}}

reacts with water to form

Salam Academy Original Practice · Proposed mark scheme

SA-AC-PE-0071 markL2 StandardCalculatorOxides and chlorides

\mathrm{SiCl_4}

added to water produces

Salam Academy Original Practice · Proposed mark scheme

SA-AC-PE-0081 markL2 StandardCalculatorOxides and chlorides

NaCl dissolves in water to give a solution of pH

Salam Academy Original Practice · Proposed mark scheme

SA-AC-PE-0091 markL2 StandardCalculatorOxides and chlorides

What is the oxidation number of sulfur in

\mathrm{SO_3}

?

Salam Academy Original Practice · Proposed mark scheme

SA-AC-PE-0101 markL2 StandardCalculatorPhysical trends

Silicon's electrical conductivity is

Salam Academy Original Practice · Proposed mark scheme

SA-AC-PE-0111 markL3 ExamCalculatorOxides and chlorides

\mathrm{SiO_2}

is classed as acidic because it

Salam Academy Original Practice · Proposed mark scheme