Required Practical: Investigating Temperature Changes (AQA GCSE Chemistry): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What volume of hydrochloric acid is used in this experiment?
What volume of hydrochloric acid is used in this experiment?
25 cm³
What temperature should the hydrochloric acid be heated to before starting?
What temperature should the hydrochloric acid be heated to before starting?
25°C
What mass of powdered magnesium is added to the cup?
What mass of powdered magnesium is added to the cup?
1 g
What type of cup is used to minimise heat loss?
What type of cup is used to minimise heat loss?
Polystyrene cup
How often should the temperature be recorded?
How often should the temperature be recorded?
Every 30 seconds
For how long should the temperature be monitored?
For how long should the temperature be monitored?
5 minutes
What is the starting concentration of hydrochloric acid?
What is the starting concentration of hydrochloric acid?
0.2 g/dm³
By how much is the acid concentration increased each time?
By how much is the acid concentration increased each time?
0.2 g/dm³
What is the final concentration of acid tested?
What is the final concentration of acid tested?
1.0 g/dm³
What material is used to further insulate the cup?
What material is used to further insulate the cup?
Cotton wool
What indicates an exothermic reaction in this experiment?
What indicates an exothermic reaction in this experiment?
Temperature increases
What indicates an endothermic reaction?
What indicates an endothermic reaction?
Temperature decreases