FURTHER REACTION (II)
CHEMISTRY CHECKPOINT IGCSE
3.1
MINERALS
1.
Mineral is solid ______________or _______________ present naturally with definite
__________________________________
2.
Minerals are made up of _________________ or ________________. Examples of
elements are ____________ and _______________, while the examples of compounds
are _____________ and _______________.
3.
Complete the table below
Common name
Hematite
Cassiterite
Galena (______ ore)
Calcite
Pyrite
Quartz
Bauxite (_________ ore)
4.
Systematic name
Tin (IV) oxide
Lead (II) _________
Calcium carbonate
________ sulphide
Match the uses of these compounds
Metal oxide
Metal sulphide
Metal carbonate
Silicon compouns
Limestone
Combination of elements
Iron, oxygen
__________, oxygen
Iron, _________
__________, oxygen
Glass manufacture
Construction of road
Cement
Silica gel
Industry
5.
2 examples of calcium carbonate
__________________________________________
6.
Calcium carbonate + Sulphuric Acid -->
7.
Limewater will turn ______________ if carbon dioxide is present
8.
From the experiment, the bubbles released are __________________.
9.
Calcium carbonate + ______________--> Calcium nitrate + Carbon dioxide + _________
10.
____________ + hydrochloric acid --> Calcium chloride + carbon dioxide + water
3.2 RATE
1.
Rate of reaction is __________________ or ___________________ over time
2.
_________ size of particles, ________ concentration of solution, higher _________ and
presence of ____________ can increase the rate of reaction
3.
Conical flasks below contain s. Circle the conical flask that will give higher rate of
reaction when sodium thiosulphate is added
25°𝐶
4.
40°𝐶
ℎ𝑖𝑔ℎ𝑒𝑟
𝑐𝑜𝑛𝑐𝑒𝑛𝑡𝑟𝑎𝑡𝑖𝑜𝑛
𝑙𝑜𝑤𝑒𝑟
𝑐𝑜𝑛𝑐𝑒𝑛𝑡𝑟𝑎𝑡𝑖𝑜𝑛
The curve below shows the rate of reaction when lower temperature is used.
Sketch the curve when higher temperature is used.
Volume of product (cm3)
5.
Function of catalyst is to _______________________________
6.
Smaller size of particles has higher rate of reaction due to ______________________
Higher concentration has higher rate of reaction due to ___________________
Particles ___________________ in higher temperature
7.
Characteristics of catalyst:
a) _____________________________
b) _____________________________
c) _____________________________
8.
What does a straight line of the curve in Q4 represents?
___________________________________________________________
3.3 REACTIVITY SERIES
1.
List down all the metals in reactivity series according to its reactivity towards oxygen
2.
_________________ is more reactive than Copper
3.
___________________ is the least reactive metal in Reactivity Series
4.
Calcium + Oxygen --> _____________________
5.
Number the procedures on the reaction of metal with oxygen below
Heat potassium manganate (VII) powder
Heat the metal strongly
Record the observation
6.
7.
What gas can be obtained by heating potassium manganate (VII)?
_______________________
Metal
Magnesium
Observation
Metal burns
very quickly
and brightly
Metal burns
quickly and
brightly
Metal burns
slowly
Metal glows
brightly
Metal glows
dimly
Lead
Zinc
Copper
Aluminium
8.
Arrange the metals in Q7 according to decreasing reactivity towards oxygen
9.
Choose the metal with the correct colour after the reaction
Magnesium
Black powder
Zinc
Yellow when hot, white when cold
Iron
Reddish brown powder
Lead
White powder
Copper
Brown when hot, yellow when cold
10.
What is the function of the cotton wool in this experiment?
____________________________________________________
11.
Magnesium + Water -->___________________ + _________________
12.
Acidic/alkaline solution is produced when metal is added to water
13.
Complete the table below
METAL
OBSERVATION
•
Bubble of ________ gas form on its water surface. The collected gas
is tested with ______________ wooden splinter and ‘pop’ sound is
produced
•
Cloudy solution produced as calcium ____________ forms
•
Sinks in cold water
•
______________ with water
•
__________ on the water surface
•
_____ sound is heard as bubbles of Hydrogen are _______ produced
•
The metal burst into flame
•
Sinks in ______ and no bubbles of Hydrogen are formed
•
However, when the metal is heated in ________ , hydrogen is
produced slowly
•
Sinks in water. Bubble of hydrogen are produced ________ in water
•
However, when it is heated in steam, hydrogen is produced _______
•
Floats on water and _____________ quickly
•
Hydrogen bubbles are rapidly produced around the metal
Calcium
Copper
Sodium
Iron
Magnesium
Potassium
14.
The metals that do not react vigorously with water,
but react with steam are ____________ & _______
15.
Metal + Dilute acids --> Salt + ____________________
16.
What can you observe when acid is poured into a boiling tube containing Calcium?
___________________________________________________
17.
Zinc + Sulphuric Acid --> Zinc sulphate + ___________________
18.
________________ + Hydrochloric Acid --> Aluminium chloride + Hydrogen gas
19.
Lead + _______________ --> Lead nitrate + Hydrogen gas
20.
Tick (/) for the correct observation based on the slide and Checkpoint book 3 page 150
React with dilute
acid
Metal
React with concentrated
acid
Presence of
Hydrogen bubbles
Lead
Zinc
Copper
Magnesium
21.
Complete the table below regarding Reactivity Series
Metal
Reaction with Oxygen
Reaction with Water
Potassium
Produces __________ with
Sodium
_____________
Reaction with Acids
___________ reaction
Calcium
Magnesium
Oxide forms ____________
Produces __________ with
Aluminium
_____________
Zinc
Iron
Tin
Copper
___________ down the
table
Oxide forms ____________
Oxide forms ____________
without burning
____________ reaction
_______________ with
water or steam
Silver
Gold
Rate of reaction
_________ reaction
__________ reaction
22.
Concept : The _________________ can displace the ______________________ from its salt
solution
23.
Magnesium + Copper sulphate →
24.
Lead + Silver nitrate →
25.
Aluminium + Lead sulphate →
26.
Magnesium + Aluminium nitrate →
27.
Copper + Silver sulphate →
28.
Iron + Copper sulphate →
29.
Copper + Magnesium chloride →
30.
Lead + Iron chloride →
Tick your current emoji after this class
How much do u gain from today’s class
95%
80%
70%
50%
30%