IGCSE Combined Science 0653 · Chemistry · 112

0653.C12.1.01 — Name appropriate apparatus for the measurement of time, temperature, mass and volume, including: (a) . stop-watches (b) . thermometers (c) .: past paper questions

7 real questionsasked in 1 of the last 10 exam series2022–2023usually: Calculate, Explain, Suggest

Real questions on 0653.c12.1.01 — name appropriate apparatus for the measurement of time, temperature, mass and volume, including: (a) . stop-watches (b) . thermometers (c) .

The newest 7 of 7 written questions. Open one to see it on the real paper.

0653/61 · May/June 2023 · Q2a[1]
Fig. 2.1 shows the balance reading from Step 7. mass of the filter paper 1.052 g Fig. 2.1 Record in Table 2.1 the mass of the filter paper to two decimal places. Table 2.1 mass / g sand and filter paper 3.87 filter paper
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0653/61 · May/June 2023 · Q2b(i)[1]
Calculate the mass of sand in the sample of fertiliser. Use the equation shown. mass of sand = 3.87 – mass of filter paper mass of sand = g
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0653/61 · May/June 2023 · Q2b(ii)[1]
Calculate the percentage of sand in the fertiliser. Use the equation shown. percentage of sand = mass of sand # 100 5 . 00 percentage of sand =
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0653/61 · May/June 2023 · Q2c[1]
Explain why the mixture is stirred in Step 2.
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0653/61 · May/June 2023 · Q2d[1]
Explain why the residue of sand is washed with distilled water in Step 4.
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0653/61 · May/June 2023 · Q3[7]
Cetyl alcohol is a white solid with a melting point of 49 °C. If salt is mixed with cetyl alcohol the melting point decreases. Some of the apparatus needed to determine the melting point of cetyl alcohol is shown in Fig. 3.1. large test-tube water gauze cetyl alcohol Bunsen burner with a small blue flame tripod Fig. 3....
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0653/32 · February/March 2022 · Q5b(i)[1]
Suggest a mass of solid sodium chloride to make 100 cm 3 of dilute (less concentrated) sodium chloride solution. mass g
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What examiners said

Almost all candidates correctly recorded the mass to two decimal places.
— Examiner report, May/June 2023, 0653/61 Q2(a) (Cambridge)

Almost all candidates used the values and subtracted correctly to give the mass of sand. An error carried forward from (a) was allowed.
— Examiner report, May/June 2023, 0653/61 Q2(b)(i) (Cambridge)

Most candidates correctly used their values to correctly calculate the percentage of sand.
— Examiner report, May/June 2023, 0653/61 Q2(b)(ii) (Cambridge)

Practise this topic

Answer these questions online and get each one marked against the official mark scheme, with what you missed and how to fix it.

Practise 0653.c12.1.01 — name appropriate apparatus for the measurement of time, temperature, mass and volume, including: (a) . stop-watches (b) . thermometers (c) .

In the syllabus

112 0653.C12.1.01 — Name appropriate apparatus for the measurement of time, temperature, mass and volume, including: (a) . stop-watches (b) . thermometers (c) .

Name appropriate apparatus for the measurement of time, temperature, mass and volume, including: (a) . stop-watches (b) . thermometers (c) . balances (d) .burettes (e) . volumetric pipettes (f) . measuring cylinders (g) . gas syringes
Describe a: (a) . solvent as a substance that dissolves a solute (b) . solute as a substance that is dissolved in a solvent (c) . solution as a mixture of one or more solutes dissolved in a solvent (d) . saturated solution as a solution containing the maximum concentration of a solute dissolved in the solvent at a specified temperature (e) . residue as a solid substance that remains after evaporation, distillation, filtration or any similar process (f) . filtrate as a liquid or solution that has passed through a filter

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