Best answers for Odorless gas – Crossword Clue

1. Definition: 1. a colorless and odorless inert gas; one of the six inert gases; comprises approximately 1% of the earth's atmosphere

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1. Definition: 1. a colorless odorless inert gaseous element occurring in the earth's atmosphere in trace amounts

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1. Definition: 1. a radioactive gaseous element formed by the disintegration of radium; the heaviest of the inert gasses; occurs naturally (especially in areas over granite) and is considered a hazard to health

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1. Definition: 1. a colorless odorless alkane gas used as fuel

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1. Definition: 1. Hydrogen - a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe

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