Multiple choice

When two rice cubes are pressed together, they join to form one cube. Which one of the following helps to hold them together?

  1. Hydrogen bond formation

  2. Van der Waals forces

  3. Covalent attraction

  4. Dipole interaction
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

When ice cubes (misspelled as 'rice' in the prompt) are pressed together, the pressure melts a thin layer which then refreezes, forming hydrogen bonds between the water molecules of the two surfaces. This bond is the primary force holding the cubes together.

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