Chemistry Which among the following metals provides amphoteric oxide ? Calcium Sodium Silver Aluminium Calcium Sodium Silver Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Impure camphor is purified by Fractional crystallisation Sublimation Fractional distillation Steam distillation Fractional crystallisation Sublimation Fractional distillation Steam distillation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron filings can be separated from a heterogenous mixture using the technique of : Sedimentation Evaporation Magnetization Sublimation Sedimentation Evaporation Magnetization Sublimation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Electric bulbs are filled with : Oxygen Argon Nitrogen Carbon dioxide Oxygen Argon Nitrogen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant inert gas in the atmosphere is Krypton Argon Helium Neon Krypton Argon Helium Neon ANSWER DOWNLOAD EXAMIANS APP
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