Chemistry Highest percentage of carbon is found in which form of coal? Lignite Anthracite Bituminous Peat Lignite Anthracite Bituminous Peat ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following caused radioactive pollution along the coast of Kerala ? Radium Plutonium Thorium Zinc Radium Plutonium Thorium Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry The two metal ions that cause hardness to water are: Sodium, Potassium Calcium, Magnesium Sodium, Calcium Sodium, Magnesium Sodium, Potassium Calcium, Magnesium Sodium, Calcium Sodium, Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium is added to the oxygen supply of deep sea divers because it is Less soluble in blood than nitrogen at high pressure Less poisonous than nitrogen Lighter than nitrogen Readily miscible with oxygen Less soluble in blood than nitrogen at high pressure Less poisonous than nitrogen Lighter than nitrogen Readily miscible with oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a nitrogenous fertilizer ? NH4NO3 Urea CaCN2 Ca(CN)2 NH4NO3 Urea CaCN2 Ca(CN)2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The product, 9-nitroanthracene is obtained from anthracene by the action of Nitric acid and ethyl alcohol Nitric acid in excess Nitric acid and acetic acid Nitric acid and acetic anhydride Nitric acid and ethyl alcohol Nitric acid in excess Nitric acid and acetic acid Nitric acid and acetic anhydride ANSWER DOWNLOAD EXAMIANS APP
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