Chemistry Which of the following chemicals is responsible for depletion of ozone layer in the atmosphere? Carbon dioxide Chlorofluorocarbons Sulphur dioxide Nitrous oxide Carbon dioxide Chlorofluorocarbons Sulphur dioxide Nitrous oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Biofertilizers convert nitrogen to ________ . Nitrates Amino acids Nitrogenase Ammonia Nitrates Amino acids Nitrogenase Ammonia ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a derivative of barbituric acid Veronal Equanil Nembutal Amytal Veronal Equanil Nembutal Amytal ANSWER DOWNLOAD EXAMIANS APP
Chemistry The items amenable to detection by soft x-rays are lead in bullets contrabands genuine coins from counterfeit coins narcotics lead in bullets contrabands genuine coins from counterfeit coins narcotics ANSWER DOWNLOAD EXAMIANS APP
Chemistry Warming Ammonium chloride with sodium hydrochloride in a test tube is an example of Isothermal system Isobaric system Closed system Open system Isothermal system Isobaric system Closed system Open system ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following contains maximum percentage of carbon ? High speed steel Stainless steel Cast iron Wrought iron High speed steel Stainless steel Cast iron Wrought iron ANSWER DOWNLOAD EXAMIANS APP
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