Chemistry The gas which emits from rice field is All of these Nitrogen Ethane Methane All of these Nitrogen Ethane Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry The source of energy that causes the least global warming is Coal Geothermal energy Petroleum Natural Gas Coal Geothermal energy Petroleum Natural Gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following metals occurs in free state ? Lead Zinc Copper Iron Lead Zinc Copper Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sour milk contains Tartaric acid Citric acid Acetic acid Lactic acid Tartaric acid Citric acid Acetic acid Lactic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Permanent – hardness of water may be removed by addition of Potassium Permangante Alum Lime Sodium carbonate Potassium Permangante Alum Lime Sodium carbonate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The resources which can be used continuously, year-after -year are called Biotic Renewable Non-renewable Abiotic Biotic Renewable Non-renewable Abiotic ANSWER DOWNLOAD EXAMIANS APP
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