Chemistry In upper layer of atmosphere ozone is formed by The action of nitrogen on oxygen in atmosphere The combination of oxygen molecules The action of ultraviolet rays on oxygen Subjecting oxygen to high pressure The action of nitrogen on oxygen in atmosphere The combination of oxygen molecules The action of ultraviolet rays on oxygen Subjecting oxygen to high pressure ANSWER DOWNLOAD EXAMIANS APP
Chemistry Citric acid is present in free form in Lemon Tamarind Milk Apple Lemon Tamarind Milk Apple ANSWER DOWNLOAD EXAMIANS APP
Chemistry By-product obtained by soap industry is Glycerol Naphthalene Caustic soda Caustic potash Glycerol Naphthalene Caustic soda Caustic potash ANSWER DOWNLOAD EXAMIANS APP
Chemistry The lowest layer of earth's atmosphere is Troposphere Ionosphere Stratosphere Mesosphere Troposphere Ionosphere Stratosphere Mesosphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry Stainless steel is an alloy of Chromium and iron Carbon and iron Chromium and carbon Chromium, carbon and iron Chromium and iron Carbon and iron Chromium and carbon Chromium, carbon and iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most important ore of lead is Magnetite Pyrolusite Galena Siderite Magnetite Pyrolusite Galena Siderite ANSWER DOWNLOAD EXAMIANS APP
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