Chemistry The coloured discharge tubes for advertisement mainly contain Neon Xenon Argon Helium Neon Xenon Argon Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry When iron rusts, its weight First increases and then decreases Decreases Increases Remains the same First increases and then decreases Decreases Increases Remains the same ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that usually causes explosions in coal mines is Methane Hydrogen Air Carbon monoxide Methane Hydrogen Air Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Benzene cannot undergo : Elimination Addition Oxidation Substitution Elimination Addition Oxidation Substitution ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following metals provides amphoteric oxide ? Silver Sodium Aluminium Calcium Silver Sodium Aluminium Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is a common name for the substance which irritates lachrymal glands ? Anaesthetic Gas Laughing Gas Tear Gas Noble Gas Anaesthetic Gas Laughing Gas Tear Gas Noble Gas ANSWER DOWNLOAD EXAMIANS APP
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