Chemical tests are used to identify gases, anions and cations. Draw straight lines to match the gas to the correct chemical test used in analysis. – 7562

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1. Carbon dioxide → turns limewater milky.

   Chlorine → turns moist blue litmus paper red and then white.

   Ammonia → turns moist red litmus paper blue.

   Hydrogen → burns with a squeaky pop.

   Oxygen → relights a glowing splint.

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