Question

classify the following into elements, compounds or mixture: 1.He and H² 2.CO and Co 3.Water and Milk 4.Gold and Brass 5.Iron and Steel​

Answer 1

Answer:  Compounds and mixtures both contain 2 or more elements within them, either bonded chemically (compound) or physically (mixture)

1 . HELIUM and HYDROGEN  is an ELEMENT...

2 . Carbon monoxide is a pure substance that is a compound (two or more elements bonded together). Both are monoxide which u have mentioned in question by the way if u asked what is CO2 then carbon dioxide is also a compound

3 . Water is a Compound ..

MILK  is a mixture that combines mostly water, sugar, fat and proteins

4 Gold is a chemical element with symbol Au

Brass is a alloy , there fore it is Mixture  

5 Iron is an element, as it is only one type of atom (Fe) and Steel

Steel is an alloy, therefore it is a mixture

HOPE SO THIS ANS WILL WORK SO PLZ BRAINLIST THX :)