Chemistry Supersonic jet causes pollution by thinning of O3 layer SO2 layer CO2 layer O 2 layer O3 layer SO2 layer CO2 layer O 2 layer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used to remove ink and rust stains on cloth? Ether Kerosene oil Oxalic acid Alcohol Ether Kerosene oil Oxalic acid Alcohol ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following type of coal has the lowest proportion of volatile matter ? Bituminous Peat Lignite Anthracite Bituminous Peat Lignite Anthracite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Litmus is obtained from A fungus Lichen A bacterium An alga A fungus Lichen A bacterium An alga ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is the main compound of voter ink? Ammonium Nitrate Ammonium Chloride Silver nitrate Silver Chloride Ammonium Nitrate Ammonium Chloride Silver nitrate Silver Chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Biofertilizers convert nitrogen to ________ . Nitrogenase Nitrates Ammonia Amino acids Nitrogenase Nitrates Ammonia Amino acids ANSWER DOWNLOAD EXAMIANS APP