a
Air
b
Mercury
c
Milk
d
Cement
Explanation
Correct Option
bVideo Explanation
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Discussions (16)

prazo200
1 year ago
The correct answer is B. Mercury.
Explanation:
Air is a mixture of gases like oxygen, nitrogen, carbon dioxide, etc.
Milk is a colloidal mixture of fat globules, proteins, and water.
Cement is a mixture of various compounds like calcium oxide, silica, and alumina.
However, Mercury is a pure element and not a mixture. It’s a liquid metal and does not consist of different components combined together.

Edodi
2 years ago
It is A becuase air is a mixture of oxygen,carbon(iv)oxide,nitrogen,rare gases,dust and moisture

pelium
3 years ago
The answer should be cement since it can be represented by a chemical formula caco3



