Experimental design — Paper 1 · IGCSE Chemistry (9-1) 0971

2 Which piece of apparatus is used to measure exactly 26.3 cm3 of a liquid? A B C D

1 marks

Answer: A

This question in 0971/11 May/June 2018

2 2.00 g of powdered calcium carbonate is added to 50.0 cm3 of hydrochloric acid. Which apparatus is used to measure the calcium carbonate and the hydrochloric acid? calcium carbonate hydrochloric acid A balance burette B balance thermometer C pipette burette D pipette thermometer

1 marks

Answer: A

This question in 0971/11 May/June 2019

2 A student is asked to measure the time taken for 0.4 g of magnesium carbonate to react completely with 25.0 cm3 of dilute hydrochloric acid. Which pieces of apparatus does the student need? A balance, stop-clock, pipette B balance, stop-clock, thermometer C balance, pipette, thermometer D stop-clock, pipette, thermometer

1 marks

Answer: A

This question in 0971/12 Oct/Nov 2019

2 Which piece of apparatus should be used to measure exactly 21.4 cm3 of water? A 25 cm3 beaker B 25 cm3 pipette C 50 cm3 burette D 50 cm3 measuring cylinder

1 marks

Answer: C

This question in 0971/11 May/June 2020

2 Which piece of apparatus is used to measure 25.0 cm3 of aqueous sodium hydroxide? A B C D

1 marks

Answer: D

This question in 0971/12 May/June 2020

3 Which diagram shows a burette? A B C D

1 marks

Answer: D

This question in 0971/12 Oct/Nov 2020

2 A student put exactly 25.00 cm3 of dilute hydrochloric acid into a conical flask. The student added 2.5 g of solid sodium carbonate and measured the change in temperature of the mixture. Which apparatus does the student need to use? A balance, measuring cylinder, thermometer B balance, pipette, stopwatch C balance, pipette, thermometer D burette, pipette, thermometer

1 marks

Answer: C

This question in 0971/12 Oct/Nov 2021

2 A student measures the time taken for 2.0 g of magnesium to dissolve in 50 cm3 of dilute sulfuric acid. Which apparatus is essential to complete the experiment? 1 stop-clock 2 measuring cylinder 3 thermometer 4 balance A 1, 2 and 4 B 1 and 2 only C 1 and 4 only D 2, 3 and 4

1 marks

Answer: A

This question in 0971/11 May/June 2022

4 Which substance should be pure for the intended use? A a drug for curing disease B limestone for iron extraction C petroleum for fractional distillation D water for washing a car

1 marks

Answer: A

This question in 0971/11 May/June 2022

2 A student measures the time taken for 2.0 g of magnesium to dissolve in 50 cm3 of dilute sulfuric acid. Which apparatus is essential to complete the experiment? 1 stop-clock 2 measuring cylinder 3 thermometer 4 balance A 1, 2 and 4 B 1 and 2 only C 1 and 4 only D 2, 3 and 4

1 marks

Answer: A

This question in 0971/12 May/June 2022

14 A method used to investigate the rate of reaction of calcium carbonate with dilute hydrochloric acid under different conditions is shown. Place 50cm3 of dilute hydrochloric acid in a conical flask. • • Add a known volume of water to the conical flask. • Heat the conical flask to the required temperature. • Add 1.0g of calcium carbonate to the conical flask. • Measure the time taken for the reaction to finish. Which volume of water and which temperature give the shortest time taken for the reaction to finish? volume of water added/cm3 temperature/°C A 10 30 B 10 50 C 40 30 D 40 50

1 marks

Answer: B

This question in 0971/11 May/June 2024

4 Which row identifies methods of testing the purity of a compound? melting point boiling point chromatography A ✓ ✓ ✓ B ✓ ✗ ✗ C ✓ ✓ ✗ D ✗ ✓ ✓

1 marks

Answer: A

This question in 0971/12 May/June 2024

39 a 25cm3 beaker A a 25cm3 pipette B a 50cm3 burette C a 50cm3 measuring cylinder D

1 marks

Answer: C

This question in 0971/12 May/June 2024

16 Which two pieces of apparatus are most useful to measure the rate of a reaction in which a gas is given off? A accurate balance and gas syringe B accurate balance and thermometer C gas syringe and stop-watch D stop-watch and thermometer

1 marks

Answer: C

This question in 0971/12 Oct/Nov 2024

38 A student measures 25.00 cm3 of dilute hydrochloric acid accurately. Which piece of apparatus is most suitable? A beaker B measuring cylinder C burette D dropping pipette

1 marks

Answer: C

This question in 0971/11 May/June 2025

16 Which items of apparatus are essential when measuring the effect of temperature on the rate of any reaction? 1 balance 2 gas syringe 3 stop-watch 4 thermometer A 1 and 2 B 1 and 3 C 2 and 4 D 3 and 4

1 marks

Answer: D

This question in 0971/12 Oct/Nov 2025