Free Printable Chemical Reaction Types Endothermic Exothermic

Worksheets

Chemical Reaction Types Endothermic Exothermic

Total questions: 23

Worksheet time: 11mins

Name

Class

Date

In an endothermic reaction, heat is ,,,

taken in

given out

What type of reaction occurs in a hand warmer

exothermic

endothermic

If a chemical reaction is EXOTHERMIC, the temperature would....

Stay the same

Increase

Decrease

When iron nails get rusty, heat is released. What process is this?

Exothermic

Endothermic

Is the combustion of gasoline endothermic or exothermic?

Endothermic

Exothermic

Is photosynthesis an exothermic or endothermic reaction?

Endothermic

Exothermic

During an endothermic reaction in a beaker if we are part of the surroundings and touched the beaker, it would feel _______.

Warm

Cold

Is respiration an Endothermic or an Exothermic reaction?

Endothermic

Exothermic

Bond breaking is referring to

Exothermic

Endothermic

10.

Have you ever eaten sherbet sweets candy? They fizz in your mouth and your tongue feels cold. Why do you think that is?

It is an exothermic reaction

It is an endothermic reaction

It is made of ice

It is dissolving your mouth

11.

6CO₂ + 6H₂0 + Energy ---------------> C₆ H₁₂ 0₆ + 6O₂

endothermic reaction

exothermic reaction

12.

Which of the following process is exothermic?

Candle was melting

A puddle evaporating

Dry ice (solid carbon dioxide) subliming to form gaseous carbon dioxide

Water freezing to form ice

13.

Evaporation is what kind of change?

Endothermic

Exothermic

14.

Condensation and raining are examples of what?

Exothermic

Endothermic

15.

Displacement reactions

endothermic

exothermic

16.

Neutralisation reactions

endothermic

exothermic

17.

Dissolving ammonium nitrate

endothermic

exothermic

18.

Solid --> liquid --> gas is what type of reaction?

endothermic

exothermic

catalytic

inhibited

19.

The graph above is from which type of reaction?

Endothermic reaction

Exothermic Reaction

20.

The graph above is from which type of reaction?

Endothermic reaction

Exothermic reaction

21.

Enthalpy change (∆H) of reaction is negative

Exothermic

Endothermic

22.

Enthalpy change (∆H) of reaction is positive

Exothermic

Endothermic

23.

The products are at a higher energy than the reactants

Exothermic

Endothermic

100 %

Chemical Reaction Types Endothermic Exothermic

Total questions: 23

Worksheet time: 11mins

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