Chemistry The substance that is added to make natural rubber strong and more bouncy is Sulphur Sponge Chlorine Polythene Sulphur Sponge Chlorine Polythene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Type metal used in printing press is an alloy of Lead and bismuth Lead and antimony Lead and zinc Lead and copper Lead and bismuth Lead and antimony Lead and zinc Lead and copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry When iron rusts, its weight Decreases Increases Remains the same First increases and then decreases Decreases Increases Remains the same First increases and then decreases ANSWER DOWNLOAD EXAMIANS APP
Chemistry The term 'brown air' is used for Acid fumes Photochemical smog Sulphurous smog Industrial smog Acid fumes Photochemical smog Sulphurous smog Industrial smog ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used to extinguish fire is Carbon dioxide Nitrogen Carbon monoxide Neon Carbon dioxide Nitrogen Carbon monoxide Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Impure camphor is purified by Fractional distillation Sublimation Steam distillation Fractional crystallisation Fractional distillation Sublimation Steam distillation Fractional crystallisation ANSWER DOWNLOAD EXAMIANS APP
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