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Chemistry
1. Chemical Reactions and Equations
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Q7 of 58 Page 34

Write true or false for the following statements:

During endothermic reactions, heat is transferred from the reacting substances to the surroundings.

False

During endothermic reactions, heat is transferred from the surroundings to the reacting substances. On the other hand, heat is transferred from the reacting substances to the surroundings.


Hence, the given statement is false.


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5

Write true or false for the following statements:

The decomposition reaction of silver bromide into silver and bromine by light is used in the manufacturing of cement.

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Write true or false for the following statements:

The insoluble substance formed during a chemical reaction is known as a precipitate.

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Write true or false for the following statements:

The reaction Zn(s) + CuSO4(aq) → ZnSO4(aq) + Cu(s) is type of double displacement reaction

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Keeping food in airtight containers helps to slow down oxidation.

Questions · 58
1. Chemical Reactions and Equations
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