HARD
Upper Secondary: IGCSE
IMPORTANT
Earn 100

Why is a conical flask used rather than a beaker, for the titration?

Important Questions on In the Lab

MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 19 - In the Lab>Q>Q 2
Why are burettes used for titrations?
HARD
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 19 - In the Lab>Q>Q 2
Which is more accurate for measuring liquids? (i) a burette (ii) a pipette. Explain clearly why you think so.
HARD
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 19 - In the Lab>Q>Q 2
What is the difference between a burette and a pipette ?
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 19 - In the Lab>Q>Q 3
Why is an indicator needed, for titrations?
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 19 - In the Lab>Q>Q 4
Suggest another indicator the student could use, in place of methyl orange.
EASY
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 19 - In the Lab>Q>Q 4
What colour change would be observed at the end-point, for the methyl orange indicator?
EASY
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 19 - In the Lab>Q>Q 5

Complete the student’s analysis of the results.

The same amount of each cleaner is used. The sodium hydroxide in X neutralised 22.2 cm3 of acid. The sodium hydroxide in Y neutralised 15.3 cm3 of acid. This means that solution........

MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 19 - In the Lab>Q>Q 6
In the experiment to compare the amount of sodium hydroxide in two kitchen cleaners, complete the conclusion by saying whether or not the results supported the hypothesis.