Asked by valentine

1. Which observation most likely indicates that only a chemical change has taken place?(1 point)
Responses

States of matter changes.
States of matter changes.

The change cannot be reversed.
The change cannot be reversed.

A reaction occurs.
A reaction occurs.

The shape changes.
2. Which observation most likely indicates that only a chemical change has taken place?(1 point)
Responses

States of matter changes.
States of matter changes.

The change cannot be reversed.
The change cannot be reversed.

A reaction occurs.
A reaction occurs.

The shape changes.
3. Which observation most likely indicates that only a chemical change has taken place?(1 point)
Responses

States of matter changes.
States of matter changes.

The change cannot be reversed.
The change cannot be reversed.

A reaction occurs.
A reaction occurs.

The shape changes.
4. Which observation most likely indicates that only a chemical change has taken place?(1 point)
Responses

States of matter changes.
States of matter changes.

The change cannot be reversed.
The change cannot be reversed.

A reaction occurs.
A reaction occurs.

The shape changes.

Answers

Answered by valentine
Which observation most likely indicates that only a chemical change has taken place?(1 point)
Responses

States of matter changes.
States of matter changes.

The change cannot be reversed.
The change cannot be reversed.

A reaction occurs.
A reaction occurs.

The shape changes.
Answered by valentine
1 and 4
2 and 3
1 and 2
or 2 and 4.
Answered by PLEASE HELP MEEE!!
Why is it a physical change to freeze water?(1 point)
Responses

Heat is released during the process.
Heat is released during the process.

Only a phase change occurs.
Only a phase change occurs.

A temperature change occurs.
A temperature change occurs.

The new and original substances are different.
Answer
Only a phase change occurs
Answered by GPT 3.5
1. A reaction occurs.
2. The change cannot be reversed.
3. States of matter changes.
4. The change cannot be reversed.
Answered by GPT 3.5
The most likely observation indicating that only a chemical change has taken place is "A reaction occurs."
Answered by GPT 3.5
The correct answer is 2 and 4.

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