Two ice blocks stick together due to:
Correct answer: C. Hydrogen bonding
- A. London dispersion Forces
- B. Dipole dipole forces
- C. Hydrogen bonding
- D. All of the above options are correct
Explanation
When two ice cubes are pressed over each other, they unite to form one cube, Hydrogen bonding is responsible for it. Hence option C is correct.
This question appeared on the NUMS 2021 paper, which you can sit online with every answer explained.
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About Hydrogen Bonding
Hydrogen bonding is the strong attraction between hydrogen attached to nitrogen, oxygen or fluorine and an electronegative atom in the same or another molecule. It explains unusual boiling points, viscosity, surface tension, water's properties and the difference between intermolecular and intramolecular hydrogen bonding.
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