Chemistry The chief constituent of vinegar is Formic acid Oxalic acid Acetic acid Salycylic acid Formic acid Oxalic acid Acetic acid Salycylic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry If lime water is kept in the air, it turns milky due to presence of : Oxygen Sulphurdioxide Nitrogen Carbondioxide Oxygen Sulphurdioxide Nitrogen Carbondioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Removal of carbon particles from air involves the principle of Precipitation Filteration Sedimentation Electrophoresis Precipitation Filteration Sedimentation Electrophoresis ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals pollutes the air of a city having large number of automobiles? Copper Cadmium Chromium Lead Copper Cadmium Chromium Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is Hydrogen Carbon dioxide All of them Oxygen Hydrogen Carbon dioxide All of them Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The deterioration of a metal by an electrochemical process is commonly termed as Abrasion Corrosion Passivation Erosion Abrasion Corrosion Passivation Erosion ANSWER DOWNLOAD EXAMIANS APP
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