Chemistry Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water None of these Manganese Calcium Magnesium None of these Manganese Calcium Magnesium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Synthetic detergents are prepared from Glycerides Hydrocarbons of petroleum Sodium salts of higher fattyacids Potassium salts of higher fatty-acids Glycerides Hydrocarbons of petroleum Sodium salts of higher fattyacids Potassium salts of higher fatty-acids ANSWER DOWNLOAD EXAMIANS APP
Chemistry The constituents of automobile exhaust that can cause cancer is/are : Lead Oxides of nitrogen Carbon monoxide Polycyclic hydrocarbons Lead Oxides of nitrogen Carbon monoxide Polycyclic hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sour taste of lemon is due to the presence of which of the following ? Formic acid Oxalic acid Acetic acid Citric acid Formic acid Oxalic acid Acetic acid Citric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the maximum Water Vapour content in the atmosphere? 3 to 4 per cent 4 to 5 per cent 2 to 3 per cent 5 to 6 per cent 3 to 4 per cent 4 to 5 per cent 2 to 3 per cent 5 to 6 per cent ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is heaviest naturally-occurring element of the periodic element Thorium Rhodium Uranium Iron Thorium Rhodium Uranium Iron ANSWER DOWNLOAD EXAMIANS APP
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