Two ice cubes are pressed together until they form one block. Which of the following force is primarily responsible for holding the cubes together?
A
Dipole dipole interaction
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B
Van der waals forces
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C
Ionic interactions
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D
Hydrogen bonding
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Solution
The correct option is D Hydrogen bonding Two ice cubes, when pressed with each other forms one block due to the hydrogen bond formation. The electrostatic force of attraction between the positively charged hydrogen atom of one molecule with the negatively charged oxygen atom of another molecule forms H-bond which holds the two cubes together.