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Year 8 Chemical World Flashcards | StudBud
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Year 8 Chemical World
Year 8 Chemical World
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#Year8 End of #science topic #quiz
Flashcards
23 cards
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Practice quiz
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Questions
23
Answers
1
Baking a cake is:
Both
Chemical change
Physical change
2
Element, compound or mixture?
Mixture
Compound
Element
3
Metals are found on the left hand side of the periodic table.
True
False
4
Chemical changes are:
Reversible
Irreversible
5
Matter is anything that has _________ and occupies space
Value
A charge
Mass
6
What is the chemical symbol for
Gold?
Ag
Al
Au
7
A reaction which produces light, is that a:
Physical change
Chemical change
8
Pure substances which cannot be broken down into simpler substances are:
Mixtures
Elements
Compounds
9
Which one of the following is the correct symbol for Sodium?
Na
NA
nA
10
What was the name of this topic?
Chemistry
Chemicals around us
Chemical World
11
What is the monomer for this polymer Polystyrene:
Lystyrene
Styrene
Rene
12
What element is Ne
Nelium
Neon
Newton
13
When drawing a flowchart, what shape would a question be in?
Rectangle
Circle
Diamond
14
Long molecules made up many smaller identical molecules are called:
Compounds
Polymers
Mixtures
15
Element, compound or mixture?
Compound
Mixture
Element
16
What is an indicator of a chemical change?
Liquid to gas
Colour change
It moves
17
What is the chemical symbol for Carbon?
Ca
C
Cb
18
What element is K?
Potassium
Copper
Krypton
19
Ice melting into water is a:
Chemical change
Both
Physical change
20
Element, compound or mixture?
Element
Mixture
Compound
21
A dull, yellow powder which doesn’t conduct electricity and is insoluble in water is a:
Metal
Semi-metal
Non-metal
22
Why do we use symbols for elements?
It is cool
It is quicker to write
Symbols are an international language
23
A shiny, silver solid which conducts electricity and is used for wiring is a:
Non-metal
Metal
Metalloid
Semi-metal