Chemistry Brown stains in vessels and clothes indicate the presence of high quantities of ________ in water None of these Manganese Magnesium Calcium None of these Manganese Magnesium Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the fuels given below, the one with highest calorific value is Natural gas Coal Wood Coke Natural gas Coal Wood Coke ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is a soluble salt in H2O CuS Zn(OH)2 CaCl2 PbCl2 CuS Zn(OH)2 CaCl2 PbCl2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused by SO2 and particulates CO2and CFCs SO2 and NO2 NO2and particulates SO2 and particulates CO2and CFCs SO2 and NO2 NO2and particulates ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the process is known as nitrification? Reaction of nitrogen dioxide with water to form nitric acid Reaction of Nitrogen Monoxide with oxygen to form nitric acid Conversion of ammonia to nitrites Conversion of nitrite to nitric oxide Reaction of nitrogen dioxide with water to form nitric acid Reaction of Nitrogen Monoxide with oxygen to form nitric acid Conversion of ammonia to nitrites Conversion of nitrite to nitric oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry When ice cubes are made, the entropy of water Increases Decreases May either increase or decrease depending on the process used Does not change Increases Decreases May either increase or decrease depending on the process used Does not change ANSWER DOWNLOAD EXAMIANS APP
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