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Anna [14]
2 years ago
13

Which of the following is a chemical change?

Chemistry
2 answers:
Scorpion4ik [409]2 years ago
8 0
Answer: D, splitting water into hydrogen and oxygen is a chemical change.
krok68 [10]2 years ago
5 0
Answer: D


Explanation: Water splitting is the chemical reaction in which water is broken down into oxygen and hydrogen
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#1Write a balanced chemical equation to show the reaction. Include state symbols.
AURORKA [14]

Answer:

Balanced chemical equation:

2AgNO₃ + Zn → ZnNO₃ + 2Ag

Type of reaction:

It is the single replacement reaction.

Explanation:

Consider the reaction between zinc and silver nitrate. In this chemical reaction the zinc is substituted in place of silver in silver nitrate compound.

Chemical equation:

AgNO₃ + Zn → ZnNO₃ + Ag

Balanced chemical equation:

2AgNO₃ + Zn → ZnNO₃ + 2Ag

The starting material consist of compound ( AgNO₃) and pure element (Zn).

After reaction a new compound ( ZnNO₃) and pure element (Ag) is generated.

Type of reaction:

It is the single replacement reaction.

Single replacement:

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AB + C → AC + B

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umka2103 [35]

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Explanation:

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Air is a mixture. g.
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<span>
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