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WorksheetsEndothermic and Exothermic Reactions
Total questions: 10
Worksheet time: 6mins
Name
Class
Date
1.
If a chemical reaction is EXOTHERMIC, the temperature would....
a)
Stay the same
b)
Increase
c)
Decrease
2.
During an endothermic reaction in a beaker if we are part of the surroundings and touched the beaker, it would feel _______.
a)
Warm
b)
Cold
3.
Is respiration an Endothermic or an Exothermic reaction?
a)
Endothermic
b)
Exothermic
4.
A student mixed two chemicals to allow them to react. The temperature before the reaction was 25 ° C. The temperature after the reaction was 18° C. Which of the following is true?
a)
It is an exothermic reaction
b)
It is an endothermic reaction
5.
Baking bread and cooking an egg are examples of....?
a)
Endothermic processes
b)
Exothermic processess
c)
None of these
6.
Is photosenthysis an Exothermic or an Endothermic reaction?
a)
Endothermic
b)
Exothermic
7.
When you freeze water, it turns to ice. What kind of change is this?
a)
Physical
b)
Chemical
8.
What instrument would you use to detect an endothermic or exothermic reaction?
a)
triple beam balance
b)
ruler
c)
thermometer
9.
Solid --> liquid --> gas is what type of reaction?
a)
endothermic
b)
exothermic
c)
catalytic
d)
inhibited
10.
Which is a better fuel in terms of energy per liter?
a)
Petrol
b)
Diesel
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