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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
Temperature change
B
Change of Colour
C
Bubbles (gas) produced
D
Change of state (liquid, solid, gas)
2) The atomic number is the same as:
A
The number of electrons
B
the number of neutrons
C
The number of protons
D
The number of atoms
3) In a chemical equation the PRODUCTS are:
A
The finished equation
B
The chemicals we finish with
C
What you buy in a shop
D
The chemicals we begin with
4) Which of these is a physical change?
A
Wood Burning
B
Tractor Rusting
C
Pop Corn Popping
D
Icecream Melting
5) Which of these is a chemical change
A
Cutting Paper
B
Making Coffee
C
Kettle Whistling
D
Egg Cooking
6) In a chemical reaction (pick the one that is wrong!)
A
We start and finish with the same thing
B
We can't (easily) reverse the change
C
The old substance is destroyed
D
A new substance is formed
7) ______ means all atoms of the same type
A
Element
B
Molecule
C
Compound
D
Mixture
8) A mixture is ...
A
A bunch of molecules of different types mixed together
B
The same atoms bonded together
C
Different atoms bonded 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 precipitate is formed
B
A change in temperature
C
Bubbles (gas) produced
D
A change of colour
10) The Symbol H stands for
A
Hydrogen
B
Halfnium
C
Oxygen
D
Helium
*select an answer for all questions
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