Chemistry Which of the following is the major constituent of LPG? Methane Ethane Propane Butane Methane Ethane Propane Butane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of these acids is not organic in origin? Lactic acid Citric acid Oxalic acid Sulphuric acid Lactic acid Citric acid Oxalic acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is used in gas balloons instead of hydrogen gas because it is More stable Non-combustible Lighter than hydrogen More abundant than hydrogen More stable Non-combustible Lighter than hydrogen More abundant than hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The percentage of oxygen in air is approximately 1 0.78 0.01 0.21 1 0.78 0.01 0.21 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The method of concentrating the ore which makes use of the difference in density between ore and impurities is called magnetic separation leaching liquation levigation magnetic separation leaching liquation levigation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water Manganese Magnesium Calcium None of these Manganese Magnesium Calcium None of these ANSWER DOWNLOAD EXAMIANS APP
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