Question

assertion : Naphthalene don't leave a residue when kept in open for sometime
reason : The conversion of a gas directly into solid is called condensation​

Answer 1

Answer:

asertion is true . reason is false

Explanation:

naphthalene is aromatic sublimable compound. it sublimes to produce aroma.

sublimation is the conversion of solid directly to gas and not condensation

Answer 2

Concept:

Sublimation is defined as the transition of a material from a solid to a gaseous state without passing through the liquid state. This is an endothermic phase transition that occurs below the substance's triple point temperature and pressure.

Solution:

The Assertion is true. Naphthalene doesn't leave a residue when kept open for some time.

The reason is false. Sublimation is done in the given case.

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