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WorksheetsS2 Earth's Materials
Total questions: 32
Worksheet time: 23mins
What colour is neutral on the pH scale?
blue
green
orange
red
On the pH scale, 1-6 shows
(a)
7 on the pH scale is
(a)
8-14 on the pH scale shows
(a)
What is the name given to a reaction where the right amount of acid and alkali are added together to get a pH of 7?
neutralisation
acidification
alkalification
Where are ores found?
floating in water
drifting in space
within the Earth's crust
in the atmosphere
Where are the metals?
all over the periodic table
in group 1 only
left of the zig zag stair
right of the zig zag stair
Which group contains one non-metal element?
Group 1
Group 2
Transition Metals
Rare Earth Metals
Name the light blue elements in the middle of the table.
Group 1
Group 2
Transition Metals
Rare Earth Metals
Name the gas produced when reactive metals are added to hydrochloric acid?
oxygen
helium
carbon dioxide
hydrogen
Which gas burns with a squeaky pop?
oxygen
helium
carbon dioxide
hydrogen
Materials which allow electricity to pass through them are called....
conductors
insulators
Materials which DO NOT allow electricity to pass through them are called....
conductors
insulators
Which material DOES NOT conduct electricity?
Carbon
Nitrogen gas
Iron
Copper
Which of the following metals are magnetic?
Zinc
Copper
Lead
Iron
Magnesium is magnetic
TRUE
FALSE
Iron is magnetic
TRUE
FALSE
If a person has a problem with stomach acid they can take a.....
alkali medicine
acidic medicine
neutral medicine
Which test can tell you the pH of a substance?
(pick all correct answers)
pH paper
iodine solution
universal indicator
lime water
The graph show the pH of different foods.
Which food is most acidic?
Cucumbers
Lemons
Limes
Apples
The graph show the pH of different foods.
Which food is least acidic?
Cucumbers
Lemons
Limes
Apples
What is the pH value of pure water?
5
7
11
9
Pupils tested the pH of 5 apples. There results are below:
Apple 1 = 4.2
Apple 2 = 3.0
Apple 3 = 3.9
Apple 4 = 3.3
Apple 5 = 3.1
What is the average PH of the apples tested?
3.3
3.4
3.5
3.6
Using the graph, what volume of NaOH was added to achieve a pH of 6?
10ml
20ml
30ml
40ml
Predict the pH, when 25ml of NaOH are added?
3
4
5
6
Iron is used in sparkler fireworks due to its chemical behaviour.
TRUE
FALSE
Name the technique used to identify different metals in ores?
burn test
flame test
ore test
lime water test
Two scientists investigated neutralisations. They carried out the exact same experiment.
Scientist A carried their experiment out 10 times. Scientist B carried out the experiment 15.
Which Scientists results would be most reliable?
A
B
Which of the following elements is a good conductor of electricity?
Silicon
Gold
Helium
Oxygen
What is the pH value of a strong acid?
1
7
10
14
All metals react in the same way
TRUE
FALSE
Reorder the following - Most reactive metal to least reactive
Francium
Caesium
Potassium
Sodium
Lithium
