Multiple choice

Which of the following options is not a mixture?

  1. Sea water

  2. Air

  3. Common salt

  4. Pickle
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Mixture is any substance which is made up of 2 or more types of particles e.g. sea water is a mixture of water and dissolved salts, air is a mixture of gases and water vapors, pickle is a mixture of oil, salt, spices etc. But common salt is a compound (NaCl) and not a mixture. 

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