HARD
Upper Secondary: IGCSE
IMPORTANT
Earn 100

Explain in your own words what an independent variable is.

Important Questions on In the Lab

EASY
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 19 - In the Lab>Q>Q 3
Which would be the independent variable, in an experiment to test the statement 'If I add more yeast, the fermentation may go faster'?
EASY
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 19 - In the Lab>Q>Q 4
Do you think the scientific method would be useful to: a doctor?
EASY
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 19 - In the Lab>Q>Q 4
Do you think the scientific method would be useful to: a detective?
HARD
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 19 - In the Lab>Q>Q 1
In the experiment to compare the amount of sodium hydroxide in two kitchen cleaners, was there an independent variable? If so, what was it?
EASY
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 19 - In the Lab>Q>Q 1
In the experiment to compare the amount of sodium hydroxide in two kitchen cleaners, was there a dependent variable? If so, what was it?
EASY
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 19 - In the Lab>Q>Q 2

Look at the apparatus below. Which pieces did the student use in the experiment to compare the amount of sodium hydroxide in two kitchen cleaners? Give their letters and names.

Question Image

HARD
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 19 - In the Lab>Q>Q 2
When measuring out solutions for titration, a pipette is used instead of a measuring cylinder. Why is this?
HARD
Upper Secondary: IGCSE
IMPORTANT
Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 19 - In the Lab>Q>Q 2
Why is a conical flask used rather than a beaker, for the titration?