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Krypton (Kr) is a noble gas found in the air. It has limited its practical applications, but never the less, Krypton is used in some types of photographic flashes used in high speed Photography. Some fluorescent light bulbs are also filled with a mixture of krypton and argon gases. Krypton gas is also combined with other gases to make luminous signs that glow with a greenish-yellow light.

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15y ago

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