WorksheetsY9 End of Year Quiz
Total questions: 50
Worksheet time: 22mins
Name
Class
Date
1.
In which two states are the particles randomly arranged?
a)
LIquid and solid
b)
Liquid and gas
c)
Gas and solid
2.
diffusion occurs in
a)
liquids
b)
liquids and gases
c)
gases
d)
liquids, gases, solids
3.
Diffusion is the movement of particles from a...
a)
High concentration to low concentration
b)
Low concentration to high concentration
c)
High concentration to high concentration
d)
Low concentration to low concentration
4.
Diffusion occurs faster...
a)
in cold water
b)
in thick fluids like syrup
c)
when heat is applied
5.
Gas pressure is caused when gas particles...
a)
move more quickly and spread out.
b)
move more slowly and come together
c)
move very quickly and spread out to fill the container
d)
collide against the walls of the container
6.
In which state are the particles only able to vibrate in a fixed position?
a)
Solid
b)
Liquid
c)
Gas
7.
Relative Atomic Mass
a)
The mass of yourself compared to all of your relatives
b)
The mass of a single atom of an element
c)
The mass of an isotope of an element compares to the mass of all carbon
d)
The mass of all isotopes of an element relative to the mass of carbon 12
8.
The RAM of Chlorine is 35.5 - which of these isotopes is most abundant?
a)
A
b)
B
9.
Copper contains 69.1% copper-63 and 30.9% copper-65. Calculate the RAM of copper.
a)
63.1
b)
63.6
c)
64.2
d)
64.6
10.
At what temperature does the solubility of NaCl match the solubility of K2Cr2O7?
a)
50 ºC
b)
83 ºC
c)
30 ºC
d)
60 ºC
11.
solubility of NaCl at 90 degrees
a)
10 g/100 g H2O
b)
20 g/100 g H2O
c)
30 g/100 g H2O
d)
40 g/100 g H2O
12.
Identify this separating technique?
a)
Evaporation
b)
Fractional Distillation
c)
Filtration
d)
Simple Distillation
13.
Suggest a technique for separating a solid and a liquid
a)
Distillation
b)
Filtration
c)
Fractional distillation
d)
Chromatography
14.
Which state can be compressed or squashed easily?
a)
Solid
b)
Liquid
c)
Gas
15.
Which state is shown in this diagram?
a)
Liquid
b)
Solid
c)
Gas
16.
Which state cannot flow from place to place?
a)
Solid
b)
Liquid
c)
Gas
17.
Particles in which state have no bonds?
a)
Liquid
b)
Solid
c)
Gas
18.
Particles in which state sit in a regular pattern and are held together tightly by bonds?
a)
Solid
b)
Liquid
c)
Gas
19.
At room temperature, what state is mercury in?
a)
Solid
b)
Liquid
c)
Gas
20.
What happens to the pressure of a gas when it is heated at constant volume?
a)
Increases
b)
No change
c)
Decreases
21.
When 100 grams of water is boiled, what mass of steam is made?
a)
100g
b)
0g
c)
95g
22.
When a liquid changes to a gas it is called
a)
condensation
b)
evaporation
c)
melting
23.
When a gas changes to a liquid it is called
a)
Melting
b)
Condensation
c)
Sublimation
d)
Evaporation
24.
When a solid changes straight to a gas (like dry ice) it is called
a)
Evaporation
b)
Freezing
c)
Sublimation
d)
Magic!
25.
Freezing is when a liquid changes to a
a)
Gas
b)
Water Vapour
c)
Solid
26.
An ice block changing to water is an example of
a)
Melting
b)
Condensation
c)
Solidification
d)
Sublimation
27.
The chemical symbol for Hydrogen is
a)
Hy
b)
H
c)
He
28.
The symbol Na is
a)
Nadium
b)
Potassium
c)
Sodium
d)
Salt
29.
The symbol for Carbon is
a)
Ca
b)
C
c)
Cb
d)
Ar
30.
The chemical symbol for Oxygen is
a)
O
b)
Ox
c)
Xy
d)
He
31.
The symbol N is the element
a)
Nitrous
b)
Iron
c)
Nickel
d)
Nitrogen
32.
In chromatography, Rf =
a)
distance moved by solvent / distance moved by dye
b)
distance moved by solvent / length of paper
c)
distance moved by dye x distance moved by solvent
d)
distance moved by dye / distance moved by solvent
33.
A substance moves 5cm up chromatography paper, the solvent reaches 10cm, what is the Rf value?
a)
0.5
b)
2
c)
50
d)
4
34.
Ionic bonds occur between...
a)
Potatoes
b)
Salt
c)
Metals and non-metals
d)
Metals
35.
Ionic Bonds:
a)
Share Electrons
b)
Split Electrons
c)
Give/Take Electrons
36.
Atoms of the same element that have a different number of neutrons are called ____________.
a)
isomers
b)
isotopes
c)
ions
d)
indicators
37.
How many individual iron atoms are in one molecule of Fe2O3?
a)
6
b)
5
c)
2
d)
3
38.
This is a dot and cross diagram of sodium chloride.
a)
True
b)
False
39.
Is the dot-and-cross diagram for magnesium chloride correct?
a)
True
b)
False
40.
Which is the correct dot-cross diagram of a compound formed between oxygen and magnesium?
a)
b)
c)
d)
41.
What is a covalent bond?
a)
When atoms gain electrons
b)
When atoms share electrons
c)
Neither of the above
d)
Both of the above
42.
What is collision theory?
a)
The minimum amount of energy needed for a reaction to occur
b)
The amount of product made at higher temperature
c)
The number of unsuccessful collisions
d)
That particles need to collide with sufficient energy
43.
why does increasing temperature increase rate of reaction (collision theory)
a)
higher kinetic energy, collisions more likely
b)
higher potential energy, collisions more likely
c)
more particles in a given volume
d)
a larger surface area for the collisions to occur on
44.
Why does a catalyst increase the rate of reaction?
a)
It produces extra energy for the reactants.
b)
It increases the frequency of particle collisions.
c)
It increases the speed of reactant particles.
d)
It reduces the activation energy of the reaction.
45.
How does increasing surface area (SA) increase the rate of a reaction?
a)
More particles are exposed and able to collide
b)
Bigger lumps react faster
c)
Powder reacts more slowly
d)
The temperature increases
46.
Balance the equation.....
a)
1 Al + 1 O2 --> 2 Al2O3
b)
2 Al + 1 O2 --> 2 Al2O3
c)
4 Al + 3 O2 --> 2 Al2O3
d)
Impossible!
47.
Balance the equation.....
a)
1 H2 + 1 O2 --> 1 H2O
b)
1 H2 + 2 O2 --> 1 H2O
c)
2 H2 + 1 O2 --> 2 H2O
d)
2 H2 + 2 O2 --> 1 H2O
48.
Balance the equation: H2 + Cl2 → HCl
a)
H2 + Cl2 → 4HCl
b)
H2 + Cl2 → 2HCl
c)
H2 + Cl2 → HCl
d)
H2 + Cl2 → 3HCl
49.
Balance the equation: CH4 + O2 → CO2 + H2O
a)
CH4 + 2O2 → CO2 + 2H2O
b)
CH4 + O2 → CO2 + H2O
c)
2CH4 + O2 → 2CO2 + H2O
d)
CH4 + O2 → CO2 + 2H2O
50.
Relative formula mass of ammonia (NH3)
a)
45
b)
17
c)
14
d)
42
100 %
