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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-OC-GR-0011 markL1 FoundationCalculatorGroup I

Sodium reacts with water to produce

Salam Academy Original Practice · Proposed mark scheme

SA-OC-GR-0021 markL1 FoundationCalculatorGroup I

Down group I, reactivity

Salam Academy Original Practice · Proposed mark scheme

SA-OC-GR-0031 markL1 FoundationCalculatorGroup VII

At room temperature bromine is a

Salam Academy Original Practice · Proposed mark scheme

SA-OC-GR-0121 markL1 FoundationCalculatorGroup VII

Halogens exist as

Salam Academy Original Practice · Proposed mark scheme

SA-OC-GR-0041 markL2 StandardCalculatorGroup VII

Which reaction happens?

Salam Academy Original Practice · Proposed mark scheme

SA-OC-GR-0051 markL2 StandardCalculatorGroup I

Potassium reacting with water is seen to

Salam Academy Original Practice · Proposed mark scheme

SA-OC-GR-0061 markL2 StandardCalculatorGroup I

The solution formed when lithium reacts with water has a pH of about

Salam Academy Original Practice · Proposed mark scheme

SA-OC-GR-0071 markL2 StandardCalculatorGroup VII

Halogens become less reactive down the group because

Salam Academy Original Practice · Proposed mark scheme

SA-OC-GR-0081 markL2 StandardCalculatorGroup VII

Chlorine water is added to sodium bromide solution. The colour change is

Salam Academy Original Practice · Proposed mark scheme

SA-OC-GR-0092 marksL2 StandardCalculatorGroup I

\mathrm{2Na+2H_2O\rightarrow2NaOH+H_2}

. How many moles of hydrogen form from

0.4

mol of sodium?

Salam Academy Original Practice · Proposed mark scheme

SA-OC-GR-0101 markL2 StandardCalculatorGroup VII

In

\mathrm{Cl_2+2Br^-\rightarrow2Cl^-+Br_2}

, chlorine is

Salam Academy Original Practice · Proposed mark scheme

SA-OC-GR-0111 markL3 ExamCalculatorGroup I

Francium is at the bottom of group I. Predict its melting point and reactivity compared with caesium.

Salam Academy Original Practice · Proposed mark scheme