Multiple choice general knowledge

Which liquid turns solid on heating ?

  1. Mercury

  2. Petrol

  3. Hydrogen Oxide

  4. Dosa
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Dosa batter is a liquid (semi-liquid) that becomes solid when heated on a griddle. This is another trick question - most liquids (mercury, petrol, water) don't turn solid on heating. The chemical and physical changes during cooking transform the liquid batter into a solid dosa. 'Hydrogen oxide' is just water's chemical name (H2O).

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