Chemistry 5070/12 — October/November 2023
Cambridge O-Level · Multiple Choice · answer key with instant marking and worked solutions
40
questions
40
marks
60
minutes
Topics Stoichiometry · Acids, Bases and Salts · Organic Chemistry · Atoms, Elements and Compounds · Metals · Chemical Reactions · +6 more
Tap an option under each question to check it — your score builds as you go.
Q11MStates of MatterFree sample
A solid substance is placed in a flask.
The flask is gently heated and the temperature of the substance is recorded at regular time intervals.
The diagram shows a graph of temperature against time for this experiment.
At which point does the flask contain both a solid and a liquid?
Options
A A
B B
C C
D D
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