Note AcademyNote Academy
Start

Chemistry · Oct / Nov 2025 · Paper 11 · Question 3

5070Elements, compounds and mixtures

The main component of mineral X is calcium carbonate, CaCO3. X also contains tiny grains of silicon(IV) oxide, SiO2. There are no other substances in X. Which row shows two correct statements about X?

  1. Astatement 1: X is a compound; statement 2: X contains exactly four different elements
  2. Bstatement 1: X is a compound; statement 2: X contains exactly five different elements
  3. Cstatement 1: X is a mixture; statement 2: X contains exactly four different elements
  4. Dstatement 1: X is a mixture; statement 2: X contains exactly five different elements

As printed in the paper

Show the answer

Correct answer: C. statement 1: X is a mixture; statement 2: X contains exactly four different elements

Sit this whole paper →More on Elements, compounds and mixtures

Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.