Which material does not melt at any temperature? iron, a metallic element sodium chloride, an ionic compound wood, a mixture of different substances ethanol, a molecular compound

Option (c) is the correct answer.

Explanation:

Wood is a mixture of different substances. Primarily it consists of cellulose, lignin, water etc.

When we heat wood then all these substance oxidize into the atmosphere even before they could melt.

Whereas iron, sodium chloride and ethanol all are the substances which can melt at any temperature.

Thus, we can conclude that out of the given options, wood, a mixture of different substances is a material that does not melt at any temperature.

the answer would be b i believe

1.43 x 10^-11 j the guy commented the awnser just making sure u see it .