A few substances are arranged in the increasing order of ‘forces of attraction’ between their particles. Which one of the following represents a correct arrangement?
  1. Water, air, wind
  2. Air, sugar, oil
  3. Oxygen, water, sugar
  4. Salt, juice, air

AcademicChemistryNCERTClass 9

Correct answer: (c) oxygen, water, sugar    

Explanation: The forces of attraction are more in solids compared to liquids and gases. Forces of attraction are least in gases. Hence, the above statement is true as oxygen is a gas, water is liquid and sugar is solid. 

Updated on 10-Oct-2022 13:29:14