Give two differences between pure substances and mixture. Give one example of each.

List two differences between a pure substance and a mixture. Give an example of each.

What is the difference between antibiotic and sulfa drugs? Give one example of each.

What is the difference between roasting and calcination? Give one example for each.

Give the main difference between a pure substance and an impure substance.

What is the difference between (i) Pure substance and mixture (ii) Colloidal solution and true solution. Give an example of each.

What is the difference between homopolymer and copolymer? Give one example of each type

What is the difference between a nucleotide and nucleoside ? Give two examples of each with their structure.