Chemistry Heavy metal pollution of water is caused by: Wood burning Paints Domestic sewage Acid Plants Wood burning Paints Domestic sewage Acid Plants ANSWER DOWNLOAD EXAMIANS APP
Chemistry 'Vinegar' is a commercial name of Hydrochloric acid Acetic acid Oxalic acid Citric acid Hydrochloric acid Acetic acid Oxalic acid Citric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is used to dilute oxygen in the gas cylinders used by divers ? Krypton Argon Helium Neon Krypton Argon Helium Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Peptization is a process of Dispersing precipitates into colloidal solution Protection of colloidal solution Precipitation of colloidal particles Purification of colloids Dispersing precipitates into colloidal solution Protection of colloidal solution Precipitation of colloidal particles Purification of colloids ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heavy metals got their name because compared to other atoms they have Higher atomic masses Higher atomic radii Higher atomic numbers Higher densities Higher atomic masses Higher atomic radii Higher atomic numbers Higher densities ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone layer of atmosphere absorbs: Infra-red rays Cosmic rays. All radiations of Light Ultraviolet rays Infra-red rays Cosmic rays. All radiations of Light Ultraviolet rays ANSWER DOWNLOAD EXAMIANS APP
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