I think d is wrong because Everything else is correct for sure. also, minerals vary in the position they hold and have different chemical compounds.
Answer:
A pure metal is any metal that has not been joined with any other metal
Explanation:
Two or more different elements
Answer:
the color of the litmus paper will turn into blue color because sodium carbonate is basic in nature
True.
A catalyst is a substancr that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
