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WorksheetsProduction of gases and rates of reaction
Total questions: 20
Worksheet time: 14mins
What is the name of the liquid chemical used to produce oxygen gas?
Hydrochloric acid
Water
Hydrogen peroxide
What is the name of the black substance used to speed up the production of oxygen?
Magnesium oxide
Manganese oxide
Magnesium dioxide
Manganese dioxide
if a gas relights a glowing splint, what gas is it?
Oxygen
Carbon dioxide
Hydrogen
nitrogen
What is the proper chemical name for marble chips?
Calcium carbonate
Calcium carbide
Calcium chloride
Calcium oxide
What gas is being collected using the above set up
Oxygen
Hydrogen
Carbon dioxide
Name the liquid added to the marble chips to prepare carbon dioxide gas?
Hydrochloric acid
Water
Hydrogen peroxide
if limewater turns milky, what gas is present?
Nitrogen
Oxygen
Carbon dioxide
Hydrogen
When carbon dioxide is poured on a flame, it (a) the flame
As the products are increasing (Red line), the reactants (blue line) are (a)
The minimum energy required to cause a reaction to take place is known as?
Effective energy
Activation energy
chemical energy
basic energy
The smaller the particles, the (a) the rate of the reaction
The larger the particle, the (a) the rate of reaction
How does temperature affect the number of collisions between atoms?
causes more collisions
causes less collisions
has no effect on the number of collisions
A collision that results in a chemical reaction taking place is known as an (a) collision
If you wished to slow down a chemical reaction, which temperature would slow it the most?
4oC
20oC
50oC
70oC
Which concentration (X, Y or Z) has the fastest rate?
X
Y
Z
Which concentration (X, Y or Z) has the slowest rate?
X
Y
Z
What is the name given to a substance that is added to a reaction just to make it speed up?
booster
inhibitor
Activator
Catalyst
The higher the concentration, the (a) the rate of the reaction
The lower the concentration, the (a) the rate of the reaction
