Chemistry Chemical formula of washing soda is Na2CO3.10H2O Ca(OH)2 Na2SO4.10H2O NaHCO3 Na2CO3.10H2O Ca(OH)2 Na2SO4.10H2O NaHCO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry White lung cancer' is caused by Paper Textiles Asbestos Silica Paper Textiles Asbestos Silica ANSWER DOWNLOAD EXAMIANS APP
Chemistry Maximum permissible concentration of total hardness in drinking water is 500 200 100 50 500 200 100 50 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Litmus is obtained from A bacterium A fungus An alga Lichen A bacterium A fungus An alga Lichen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which is the highest quality of hard coal? Lignite Peat Anthracite Bituminous Lignite Peat Anthracite Bituminous ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron rusts quickly in River water Rain water Distilled water Sea water River water Rain water Distilled water Sea water ANSWER DOWNLOAD EXAMIANS APP