Chemistry Which of the following gases is most toxic ? Sulphur dioxide Carbon dioxide Carbon monoxide Chlorine Sulphur dioxide Carbon dioxide Carbon monoxide Chlorine ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most commonly used substance in fluorescent tubes? Sodium oxide and argon Sodium vapour and neon Mercury oxide and neon Mercury vapour and argon Sodium oxide and argon Sodium vapour and neon Mercury oxide and neon Mercury vapour and argon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The rusting of iron is a/an Electrical change Electrochemical change None of these Physical change Electrical change Electrochemical change None of these Physical change ANSWER DOWNLOAD EXAMIANS APP
Chemistry The tip of the match-stick contains Red phosphorus Phosphorus pentoxide White phosphorus Phosphorus trichloride Red phosphorus Phosphorus pentoxide White phosphorus Phosphorus trichloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Tear gas is : Chloroprene Bleaching powder Nitrous oxide Carbonyl chloride Chloroprene Bleaching powder Nitrous oxide Carbonyl chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iodex, a pain relief balm, has the smell of ________ . Methyl salicylate Propyl salicylate Ethyl salicylate Butyl salicylate Methyl salicylate Propyl salicylate Ethyl salicylate Butyl salicylate ANSWER DOWNLOAD EXAMIANS APP
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