**Statement-1:** Vapour density is a unitless quantity. <br>**Statement-2:** It is the ratio of the density of a gas to the density of Hydrogen gas under identi | Mole Concept and Some Basic Concepts of Chemistry — Chem-Mantra | Chem-Mantra

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Question

**Statement-1:** Vapour density is a unitless quantity. <br>**Statement-2:** It is the ratio of the density of a gas to the density of Hydrogen gas under identical conditions.

Answer: A

💡 Solution & Explanation

Both are true. Being a ratio of similar quantities, it has no units.

💬

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