Answer:
A
Explanation:
A chemical change is when a new substance is created, which often has its own chemical properties, so A is the correct answer.
Mixtures:
physically combined
components retain properties
compounds:
chemically combined
components change properties
both:
made of elements
variable proportions
fixed properties
2 or more compounds
hope this helps
comment me if you have any questions
<span>The gases in air can be separated from one another through a process known as the fractional distillation of liquid air. This is a process that converts air into a liquid form and then allows it to be portioned out into layers and separated from one another. Because pure oxygen and nitrogen have a number of applications, this is a useful technique. </span>
Mark Brainliest please
Answer :
In my opinion , answer is A