Chemistry Of the following, which one pollutes the air of a big city ? Chromium Lead Copper Cadmium Chromium Lead Copper Cadmium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Mercury is emitted into air by Burning coal Coal fire Steam engine Burning garbage Burning coal Coal fire Steam engine Burning garbage ANSWER DOWNLOAD EXAMIANS APP
Chemistry Muscle fatigue is caused by the accumulation of : Lactic acid Oxalacetic acid Pyruvic acid Uric acid Lactic acid Oxalacetic acid Pyruvic acid Uric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most common salt in sea water ? Sodium chloride Potassium chloride Magnesium sulphate Calcium carbonate Sodium chloride Potassium chloride Magnesium sulphate Calcium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is chiefly present in LPG (Liquefied Petroleum Gas) ? Methane Ethane Butane Propane Methane Ethane Butane Propane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following the hardest metal is Iron Platinum Gold Tungsten Iron Platinum Gold Tungsten ANSWER DOWNLOAD EXAMIANS APP