Core Gcse Practicals

Question 1

What is the purpose of the core GCSE chemistry practicals?

Answer 1

To develop practical skills and understanding of scientific concepts through hands-on experiments.

Question 2

True or False: Core GCSE chemistry practicals are only theoretical.

Answer 2

False

Question 3

Fill in the blank: The __________ is used to measure the volume of a liquid accurately.

Answer 3

graduated cylinder

Question 4

What safety equipment should always be worn during chemistry practicals?

Answer 4

Safety goggles and lab coats

Question 5

Which piece of equipment is used to heat substances in a laboratory?

Answer 5

Bunsen burner

Question 6

What is the role of a pipette in chemistry practicals?

Answer 6

To transfer a specific volume of liquid.

Question 7

Multiple Choice: Which of the following is NOT a common core practical?
A) Titration
B) Filtration
C) Electrolysis
D) Baking

Answer 7

D) Baking

Question 8

What is titration used for in chemistry?

Answer 8

To determine the concentration of a solution.

Question 9

True or False: You should never mix chemicals without checking their compatibility first.

Answer 9

True

Question 10

What is the main purpose of a control variable in an experiment?

Answer 10

To ensure that the test conditions are consistent.

Question 11

Fill in the blank: The __________ is used to separate an insoluble solid from a liquid.

Answer 11

filter paper

Question 12

What does the term ‘end point’ refer to in a titration?

Answer 12

The point at which the reaction is complete, indicated by a color change.

Question 13

Multiple Choice: Which indicator is commonly used in acid-base titrations?
A) Phenolphthalein
B) Methyl Blue
C) Litmus
D) Bromothymol Blue

Answer 13

A) Phenolphthalein

Question 14

What is the purpose of using a thermometer in a chemical reaction?

Answer 14

To measure the temperature change during the reaction.

Question 15

True or False: It is acceptable to taste chemicals during a practical if you are unsure of their properties.

Answer 15

False

Question 16

What is the function of a fume hood in a chemistry lab?

Answer 16

To ventilate hazardous fumes safely.

Question 17

Fill in the blank: A __________ is used to hold test tubes during heating.

Answer 17

test tube holder

Question 18

What is the significance of repeating experiments in practicals?

Answer 18

To ensure reliability and accuracy of results.

Question 19

Multiple Choice: Which of the following is a common method of separating mixtures?
A) Distillation
B) Injection
C) Cooking
D) Freezing

Answer 19

A) Distillation

Question 20

What type of reaction is demonstrated in a precipitation experiment?

Answer 20

A reaction that forms an insoluble solid from two soluble reactants.

Question 21

True or False: You should dispose of chemicals down the sink without following proper disposal guidelines.

Answer 21

False

Question 22

What is the role of a balance in a chemistry practical?

Answer 22

To measure the mass of substances.

Question 23

Fill in the blank: The __________ is used to measure the pH of a solution.

Answer 23

pH meter

Question 24

What is meant by the term ‘concentration’ in chemistry?

Answer 24

The amount of solute in a given volume of solution.

Question 25

Multiple Choice: Which of the following techniques is used to identify the presence of a gas?
A) Chromatography
B) Gas collection
C) Titration
D) Filtration

Answer 25

B) Gas collection