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WorksheetsHollingworth Academy - GCSE Combined Chemistry Unit 1
Total questions: 8
Worksheet time: 4mins
Name
Class
Date
1.
These contain only one type of atom.
a)
element
b)
compound
c)
mixture
d)
water
2.
Which of the following represents an element?
a)
H2O
b)
H2
c)
NaCl
d)
CaCO3
3.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture of elements
d)
mixture of compounds
4.
This contains 2 or more elements that are chemically combined
a)
element
b)
compound
c)
mixture
5.
What is the name of this separation technique?
a)
Simple distillation
b)
Fractional distillation
c)
Boiling
d)
Evaporation
6.
What is the name of this separation technique?
a)
distillation
b)
filtration
c)
evaporation
d)
chromatography
7.
During filtration, the solid that is trapped in the filter paper is called ..A.. and the liquid that has passed through the filter paper is called ..B..
a)
A: residue B: filtrate
b)
A: residue B: filterate
c)
A: filtrate B: residue
d)
A: filterate B: residue
8.
Crystallisation separates a(n) ___________ from a solution.
a)
insoluble solid
b)
soluble solid
c)
gas
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