Question

classify the following into element ,compound or mixture.
(a)he and h2
(b)Co and co
(c)water and milk
(d)gold and brass
(e)iron and steel

Answer 1

the correct answer is b
please mark me brainlest

Answer 2

Answer:

1)He and H2

He is helium , so an element

H2 is a molecule of hydrogen , so an element also

2)CO and Co

CO is carbon monoxide , so a compound

Co is Cobalt , so an element

3)Water and Milk

Water is H2O , so a compound

Milk is Milk , so a mixture

3)Gold and brass

Gold is Au , so an element

Brass is an alloy , so it may be a mixture

4)Iron and steel

Iron is Fe, so an element

Steel is not naturally found , so it is an alloy and the closest answer to alloy is mixture

Explanation: