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yulyashka [42]
2 years ago
6

Which of the following represents a chemical change?

Chemistry
1 answer:
lidiya [134]2 years ago
4 0

Answer:

Gasoline combusting in an engine

Explanation:

When gasoline is ignited, carbon dioxide and water are produced.

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#1
The correct answer is A.)

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#2
The correct answer is B.)

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3 0
3 years ago
Subject: Chemistry<br><br><br>whoever does this right will give the brainliest &lt;3)
Andru [333]

Answer:

1 A

3 main types of bond are

Ionic bond ( formed due to complete transfer of electron between atoms(

Covalent bond ( formed by mutual sharing of electron)

Metalic bond ( present in the metals due to mobile electrons)

1 B bond in CaO is ionic bond formation in attached image

1 C hydrogen bond with nitrogen is covelent NH3 ammonia is formed because a bond between two non metals is expected to be covalent

More their electronegativity difference between hydrogen and nitrogen is less than 1.7 that makes it covalent

Explanation:

4 0
2 years ago
Read 2 more answers
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