Question

answer only if you know the answer..
arrange the following substances in increasing order of forces of attraction between the particles. Petrol, wheat grains, oxygen.
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Answer 1

Answer:

oxygen, petrol, wheat grains

Explanation:

solids have the most force of attraction, liquids lesser and gases the least

Answer 2

Wheat grains — petrol— oxygen
Explanation:
All solids molecules stick together without space making it the most attractive
All liquids have little free space between particles
All gases are way far from each other