Note AcademyNote Academy
Start

Chemistry · May / June 2020 · Paper 61 · Question 3

0620

As printed in the paper

The question as text

Two solids, solid G and solid H, were analysed. Solid G was copper(II) carbonate. Tests were done on each solid. tests on solid G Complete the expected observations.

Read automatically from the paper; the printed page above is exact.

Show the answer and mark scheme

  • 3(a)[3]

    any three from:

    bubble / fizz / effervescence
    blue solution formed
    (gas made turns) limewater
    milky

  • 3(b)[1]

    carbon dioxide / CO2

  • 3(c)[3]

    blue

    precipitate

    dark(er) / royal blue and dissolves / solution

  • 3(d)[1]

    not a halide

    tests on solid H

  • 3(e)[3]

    hydrated

    sodium / Na+

    sulfate / SO42-

    sodium sulfate = 2

    Na2SO4 = 2

Practise this paper →

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