Questions as text
Q1 · The diagram shows a chromatogram obtained using five felt-tip pens 0652/21 Oct/Nov 2018
2 The diagram shows a chromatogram obtained using five felt-tip pens. P Q R S T Which statement about the pens is not correct? A One of the dyes is found in three pens. B Pen R contains a mixture of dyes. C Three pens contain two dyes. D Two pens contain only one dye.
1 marks
Answer: B
This question in 0652/21 Oct/Nov 2018
Q2 · The diagram shows a chromatogram obtained using five felt-tip pens 0652/22 Oct/Nov 2018
2 The diagram shows a chromatogram obtained using five felt-tip pens. P Q R S T Which statement about the pens is not correct? A One of the dyes is found in three pens. B Pen R contains a mixture of dyes. C Three pens contain two dyes. D Two pens contain only one dye.
1 marks
Answer: B
This question in 0652/22 Oct/Nov 2018
Q3 · Which process is used to separate the components of petroleum? 0652/21 Oct/Nov 2019
2 Which process is used to separate the components of petroleum? A chromatography B crystallisation C filtration D fractional distillation
1 marks
Answer: D
This question in 0652/21 Oct/Nov 2019
Q4 · Which process is used to separate the components of petroleum? 0652/22 Oct/Nov 2019
2 Which process is used to separate the components of petroleum? A chromatography B crystallisation C filtration D fractional distillation
1 marks
Answer: D
This question in 0652/22 Oct/Nov 2019
Q5 · The chromatogram obtained from an ink is shown 0652/21 Oct/Nov 2021
3 The chromatogram obtained from an ink is shown. The ink contains three different colours P, Q and R. solvent front P 8 cm 7 cm Q 10 cm R 2.5 cm baseline What is the Rf value of colour R? A 0.25 B 0.3 C 0.36 D 2.5
1 marks
Answer: C
This question in 0652/21 Oct/Nov 2021
Q6 · The chromatogram of a black ink and three coloured dyes, X, Y and Z, is shown 0652/21 Oct/Nov 2022
2 The chromatogram of a black ink and three coloured dyes, X, Y and Z, is shown. black X Y Z ink Which colours make up the black ink? A X and Y only B X and Z only C X, Y and Z D Z only
1 marks
Answer: B
This question in 0652/21 Oct/Nov 2022
Q7 · The chromatogram of a black ink and three coloured dyes, X, Y and Z, is shown 0652/22 Oct/Nov 2022
2 The chromatogram of a black ink and three coloured dyes, X, Y and Z, is shown. black X Y Z ink Which colours make up the black ink? A X and Y only B X and Z only C X, Y and Z D Z only
1 marks
Answer: B
This question in 0652/22 Oct/Nov 2022
Q8 · Mixture X is separated into its components W and Y by chromatography 0652/21 Oct/Nov 2023
3 Mixture X is separated into its components W and Y by chromatography. E is the distance between the base line and Y. F is the distance between the base line and the top of the paper. G is the distance between the base line and the solvent front. top of paper solvent front Y F G E W base line original position of mixture X Which equation is used to calculate the Rf value of Y? A E ÷ F B E ÷ G C F ÷ E D G ÷ E
1 marks
Answer: B
This question in 0652/21 Oct/Nov 2023
Q9 · Mixture X is separated into its components W and Y by chromatography 0652/22 Oct/Nov 2023
3 Mixture X is separated into its components W and Y by chromatography. E is the distance between the base line and Y. F is the distance between the base line and the top of the paper. G is the distance between the base line and the solvent front. top of paper solvent front Y F G E W base line original position of mixture X Which equation is used to calculate the Rf value of Y? A E F B E G C F E D G E
1 marks
Answer: B
This question in 0652/22 Oct/Nov 2023
Q10 · The chromatogram obtained from a coloured dye and part of a ruler are shown 0652/21 Oct/Nov 2024
3 The chromatogram obtained from a coloured dye and part of a ruler are shown. solvent front 3 2 1 baseline What is the Rf value of the coloured dye? A 0.33 B 0.40 C 0.60 D 0.66
1 marks
Answer: C
This question in 0652/21 Oct/Nov 2024
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