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Year 7 multiple-choice main test: answers 7H Solutions

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Presentation on theme: "Year 7 multiple-choice main test: answers 7H Solutions"— Presentation transcript:

1 Year 7 multiple-choice main test: answers 7H Solutions
7A multiple-choice extension test: answers Year 7 multiple-choice main test: answers 7H Solutions © Cambridge University Press 2003, 2006, H multiple-choice main test: answers

2 The only type of water that is pure is... A) distilled water
Question 1 The only type of water that is pure is... A) distilled water B) mineral water C) tap water D) sea water © Cambridge University Press 2003, 2006, H multiple-choice main test: answers

3 Sugar dissolves in water because it is... A) insoluble B) saturated
Question 2 Sugar dissolves in water because it is... A) insoluble B) saturated C) solid D) soluble © Cambridge University Press 2003, 2006, H multiple-choice main test: answers

4 Question 3 A pupil mixed the following solids into water and stirred until nothing else happened. Choose the mixture A B C or D that cannot be separated using filtration. © Cambridge University Press 2003, 2006, H multiple-choice main test: answers

5 A solid can be separated from a solution using... A) condensation
Question 4 A solid can be separated from a solution using... A) condensation B) evaporation C) freezing D) melting © Cambridge University Press 2003, 2006, H multiple-choice main test: answers

6 The chemical name for ‘common salt’ is... A) calcium carbonate
Question 5 The chemical name for ‘common salt’ is... A) calcium carbonate B) copper sulfate C) potassium nitrate D) sodium chloride © Cambridge University Press 2003, 2006, H multiple-choice main test: answers

7 Choose the word that completes the flow diagram. A) condensation
Question 6 The flow diagram shows how a pupil extracted pure, dry salt from rock salt. Choose the word that completes the flow diagram. A) condensation B) distillation C) evaporation D) freezing © Cambridge University Press 2003, 2006, H multiple-choice main test: answers

8 Question 7 A pupil extracted 3 g of pure, dry salt from 5 g of rock salt. The mass of salt obtained was less than the mass of rock salt because the rock was removed by... A) dissolving B) distillation C) evaporation D) filtration © Cambridge University Press 2003, 2006, H multiple-choice main test: answers

9 The mass of the solution formed was... A) 4 g B) 6 g C) 10 g D) 16 g
Question 8 A pupil made a salt solution using the following amounts of salt and water. The mass of the solution formed was... A) 4 g B) 6 g C) 10 g D) 16 g © Cambridge University Press 2003, 2006, H multiple-choice main test: answers

10 In a salt solution the particles of salt and water are... A) combined
Question 9 In a salt solution the particles of salt and water are... A) combined B) in rows C) intermingled D) spread out © Cambridge University Press 2003, 2006, H multiple-choice main test: answers

11 This method of separation is called... A) condensation B) distillation
Question 10 This method of separation is called... A) condensation B) distillation C) evaporation D) fractionation © Cambridge University Press 2003, 2006, H multiple-choice main test: answers

12 The piece of equipment labelled X is called... A) a condensation tube
Question 11 The piece of equipment labelled X is called... A) a condensation tube B) a condenser C) an evaporator D) a round-bottomed flask © Cambridge University Press 2003, 2006, H multiple-choice main test: answers

13 The boiling point of the pure water produced is... A) 0 °C B) 50 °C
Question 12 The boiling point of the pure water produced is... A) 0 °C B) 50 °C C) 100 °C D) 150 °C © Cambridge University Press 2003, 2006, H multiple-choice main test: answers

14 A mixture of different coloured inks can be separated using...
Question 13 A mixture of different coloured inks can be separated using... A) chromatography B) distillation C) evaporation D) filtration © Cambridge University Press 2003, 2006, H multiple-choice main test: answers

15 Choose the pigment A B C or D that is the most soluble in water.
Question 14 A spot of black ink was placed on a strip of filter paper. The end of the filter paper was placed in water and left. This is the result. Choose the pigment A B C or D that is the most soluble in water. © Cambridge University Press 2003, 2006, H multiple-choice main test: answers

16 Ink X is a mixture of colours... A) 1 and 2 B) 1 and 3 C) 2 and 4
Question 15 Ink X is a mixture of colours... A) 1 and 2 B) 1 and 3 C) 2 and 4 D) 3 and 4 © Cambridge University Press 2003, 2006, H multiple-choice main test: answers

17 A solution where no more solid will dissolve is called... A) insoluble
Question 16 A solution where no more solid will dissolve is called... A) insoluble B) saturated C) solubility D) soluble © Cambridge University Press 2003, 2006, H multiple-choice main test: answers

18 Question 17 A pupil slowly mixes salt into 25 cm3 of water until no more will dissolve. The pupil could make more salt dissolve in the solution by... A) cooling it B) evaporating it C) heating it D) stirring it © Cambridge University Press 2003, 2006, H multiple-choice main test: answers

19 The table shows the solubility of four different solids at 20 °C.
Question 18 The table shows the solubility of four different solids at 20 °C. Choose the solid A B C or D that has the highest solubility. © Cambridge University Press 2003, 2006, H multiple-choice main test: answers

20 Question 19 Gravel is insoluble in water. The solubility of gravel in 100 g of water at 20 °C is... A) 0 g B) 20 g C) 100 g D) 120 g © Cambridge University Press 2003, 2006, H multiple-choice main test: answers

21 As temperature increases the solubility of lead nitrate...
Question 20 The table shows the solubility of lead nitrate at different temperatures. As temperature increases the solubility of lead nitrate... A) decreases B) becomes zero C) increases D) stays the same © Cambridge University Press 2003, 2006, H multiple-choice main test: answers

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