Chemistry When iron rusts, its weight First increases and then decreases Decreases Remains the same Increases First increases and then decreases Decreases Remains the same Increases ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron filings can be separated from a heterogenous mixture using the technique of : Magnetization Sublimation Evaporation Sedimentation Magnetization Sublimation Evaporation Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen which is vital for life is a product of photosynthesis and comes from Carbon dioxide Carbonates from soil Water Oxides of mineral elements Carbon dioxide Carbonates from soil Water Oxides of mineral elements ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is pure matter ? Air Carbon–dioxide Brass Iron Air Carbon–dioxide Brass Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Greenhouse effect is caused by Carbon monoxide Nitrogen dioxide Carbon dioxide Nitrogen Carbon monoxide Nitrogen dioxide Carbon dioxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry In silvery paints, the main constituent present is Silver powder Lead powder White lead Aluminium powder Silver powder Lead powder White lead Aluminium powder ANSWER DOWNLOAD EXAMIANS APP
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