Question

what kind of material was left behind when mixture was heated?​

Answer 1

Answer:

An element is a pure substance that has never been converted to a simpler substance by chemical means. When two or more elements combine in a chemical change, they form a compound. A pure substance might either be an element or a compound.

Explanation:

Hope it helps you

Answer 2

Answer:

It depends on the material you are heating

Explanation:

As we all know that when we heat something, a chemical reaction takes place and the left over is totally depends on the materials or substances because each every material react differently with fire and gives different sets of products as a result. Note: Heating also changes the state of the material.