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- 1. Multiple Choice
In an exothermic reaction, heat is ...taken in or absorbedgiven out or released - 2. Multiple ChoiceIn an endothermic reaction, heat is ...taken in or absorbedgiven out or released
- 3. Multiple ChoiceWhat type of reaction occurs in a hand warmerexothermicendothermic
- 4. Multiple ChoiceIs photosynthesis an exothermic or endothermic reaction?EndothermicExothermicNeither
- 5. Multiple ChoiceBaking bread and cooking an egg are examples of....?Endothermic processesExothermic processessNone of these
- 6. Multiple ChoiceIf a chemical reaction is EXOTHERMIC, the temperature would....Stay the sameIncreaseDecrease
- 7. Multiple ChoiceHave 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 reactionIt is an endothermic reactionIt is made of iceIt is dissolving your mouth
- 8. Multiple ChoiceWhen you freeze water, it turns to ice. What kind of change is this?PhysicalChemical
- 9. Multiple ChoiceSugar dissolves in water. This is an example of....Physical ChangeChemical Change
- 10. Multiple ChoiceAfter you mix two substances together, a new substance forms. This is an example of:
Physical ChangeChemical Change - 11. Multiple Choice
_____ reactions usually feel hot!
endothermic
exothermic
- 12. Multiple Choice
What instrument would you use to detect an endothermic or exothermic reaction?
triple beam balance
ruler
thermometer
- 13. Multiple ChoiceWhich of the following is a sign that a chemical reaction has occurred?change in shapemeltingbubbles of gas appeardissolving
- 14. Multiple ChoiceAfter you mix two substances together, a new substance forms. This is an example of:
Physical ChangeChemical Change - 15. Multiple ChoiceHCl reacts with Zn giving off heatendothermicexothermic
- 16. Multiple ChoiceSurrounding temperature gets warmerendothermicexothermic
- 17. Multiple ChoiceSurrounding temperature gets coldEndothermicExothermic
- 18. Multiple Choice
Neutralisation reactions
endothermic
exothermic
- 19. Multiple Choice
Which of the following is a sign that a chemical reaction has occurred?
change in shape
melting
there was colour change
dissolving
- 20. Multiple Choice
The initial temperature was measured to be 20oC and the final temperature was 10oC. The reaction was
exothermic
endothermic
- Answer choicesTagsAnswer choicesTags