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Year 9 Chemistry
Test Description: Year 9 Chemistry Questions for Sarina State High School 2015
Instructions: Answer all questions to get your test result.
1) Which of these is not a sign of a chemical Reaction
A
Change of state (liquid, solid, gas)
B
Temperature change
C
Bubbles (gas) produced
D
Change of Colour
2) The atomic number is the same as:
A
The number of protons
B
the number of neutrons
C
The number of atoms
D
The number of electrons
3) In a chemical equation the PRODUCTS are:
A
The chemicals we finish with
B
The finished equation
C
The chemicals we begin with
D
What you buy in a shop
4) Which of these is a physical change?
A
Icecream Melting
B
Tractor Rusting
C
Wood Burning
D
Pop Corn Popping
5) Which of these is a chemical change
A
Making Coffee
B
Cutting Paper
C
Egg Cooking
D
Kettle Whistling
6) In a chemical reaction (pick the one that is wrong!)
A
A new substance is formed
B
We can't (easily) reverse the change
C
We start and finish with the same thing
D
The old substance is destroyed
7) ______ means all atoms of the same type
A
Mixture
B
Molecule
C
Compound
D
Element
8) A mixture is ...
A
Different atoms bonded together
B
The same atoms bonded together
C
A bunch of molecules of different types mixed together
D
A machine to mix cakes with
9) Which sign of a chemical change can we see here - A piece of toast has been burned
A
A change of colour
B
Bubbles (gas) produced
C
A precipitate is formed
D
A change in temperature
10) The Symbol H stands for
A
Hydrogen
B
Halfnium
C
Oxygen
D
Helium
*select an answer for all questions
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