Chemistry Heavy metal pollution of water is caused by: Wood burning Paints Acid Plants Domestic sewage Wood burning Paints Acid Plants Domestic sewage ANSWER DOWNLOAD EXAMIANS APP
Chemistry Supersonic jet causes pollution by thinning of SO2 layer O3 layer O 2 layer CO2 layer SO2 layer O3 layer O 2 layer CO2 layer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals can displace copper from copper sulphate solution ? Mercury Gold Platinum Iron Mercury Gold Platinum Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The formula C6H5-CO-CH3 represents Acetone Acetophenone Phenyl acetate Acetic acid Acetone Acetophenone Phenyl acetate Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Choose the incorrect statement pertaining to organic compounds They are not easily combustible They contain mainly carbon and hydrogen They do not dissolve in water They have low melting and boiling points They are not easily combustible They contain mainly carbon and hydrogen They do not dissolve in water They have low melting and boiling points ANSWER DOWNLOAD EXAMIANS APP
Chemistry Soap is prepared by boiling caustic soda with Glycerine Fats Alcohol Kerosene oil Glycerine Fats Alcohol Kerosene oil ANSWER DOWNLOAD EXAMIANS APP