Question

Classify the following into element compound and mixture he and h2,CO and co, water and milk, gold and brass ,iron and steel​

Answer 1

h2 is a molecule or element and co is a compound water is a compound milk is a mixture of various calcium ,phosphorus etc . gold is a element brass is mixture,iron is a element steel is a mixture

Answer 2

He is element

H2 is molecule

CO (carbon monoxide)is compound

Co (Cobalt) is element

H2O is compound

milk is mixture

gold is element

brass is mixture

iron is element

steel is mixture