A student cuts some fabric into two pieces. Is this change physical or chemical?(1 point)
Responses
It is a chemical change because the size changes.
It is a chemical change because the size changes.
It is a physical change because there is no reaction.
It is a physical change because there is no reaction.
It is a chemical change because there is no phase change.
It is a chemical change because there is no phase change.
It is a physical change because the process is reversible.
3 answers
It is a physical change because the process is reversible.
How are chemical changes different from physical changes?(1 point)
Responses
They include shifts in the phase of matter.
They include shifts in the phase of matter.
They are reversible.
They are reversible.
They involve heat.
They involve heat.
They form new substances.
Responses
They include shifts in the phase of matter.
They include shifts in the phase of matter.
They are reversible.
They are reversible.
They involve heat.
They involve heat.
They form new substances.
They form new substances.
1 answer