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WorksheetsFACTOR AFFECT THE RATE REACTION 4JM (18/10)
Total questions: 11
Worksheet time: 6mins
Increasing the temperature will increase the rate of reaction.
True
False
A________is a substance that increases the rate of a reaction without being used up during the reaction.
Catalyst
Solution
Size
Choose the factors that affecting the rate of reaction.
Size of reactant
Temperature
Catalyst
Pressure
Concentration
Smaller size of reactants have________surface area to be exposed for the reaction.
Larger
Smaller
Same
Pick two (2) options that will INCREASE the rate of reaction.
Reducing heat
Adding catalyst
Adding heat
Reduce concentration
The ______ the concentration, the _____ the rate of reaction.
Higher,higher
Lower,lower
Higher, lower
Lower, higher
Which factor only affect the rate of reaction when involved gases as the reactant?
Size of the reactant
Concentration
Pressure
Meat cooks faster if it is cut into smaller sizes.
True
False
Food cook faster in a lower temperature.
True
False
Why does grinding a solid reactant into powder increase the rate of reaction?
It changes the temperature
It increase the surface area
It decrease the concentration of the reactants
It reduces the energy of the reactant
Why building that are located near the industrial areas will corrode fast?
There are a hot area
The building is small
The industrial areas contains high concentration of sulphur dioxide
