Chemistry The mineral containing both magnesium and calcium is dolomite carnallite magnesite calcite dolomite carnallite magnesite calcite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical formula of washing soda is Na2SO4.10H2O NaHCO3 Na2CO3.10H2O Ca(OH)2 Na2SO4.10H2O NaHCO3 Na2CO3.10H2O Ca(OH)2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass of one Avogadro number of helium atom is 4.00 gram 8.00 gram 1.00 gram 4 x 6.02 x 1023 gram 4.00 gram 8.00 gram 1.00 gram 4 x 6.02 x 1023 gram ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxide of sulphur present in the atmosphere are washed down by rains to cause : Industrial smog formation Depletion of fossil fuel reserves Eutrophication in lakes Lowering of pH of soil Industrial smog formation Depletion of fossil fuel reserves Eutrophication in lakes Lowering of pH of soil ANSWER DOWNLOAD EXAMIANS APP
Chemistry Maximum permissible concentration of total hardness in drinking water is 50 500 200 100 50 500 200 100 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Synthetic detergents are made from Sodium palmitate Sodium salt of benzene sulphonic acid Sodium salt of benzene carboxylic acid Sodium stearate Sodium palmitate Sodium salt of benzene sulphonic acid Sodium salt of benzene carboxylic acid Sodium stearate ANSWER DOWNLOAD EXAMIANS APP
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