Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions


The change of a object or substance to become a new substance. It is a permanent reaction . 
1 5 1
A chemical reaction is a process that leads to the transformation of one set of chemical substances to another.
1 5 1
hope helped u friend..mark it as the best answer of this question,,pls
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts