Chemistry Supersonic jet causes pollution by thinning of SO2 layer CO2 layer O3 layer O 2 layer SO2 layer CO2 layer O3 layer O 2 layer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as a lubricant in heavy machines? Sulphur Phosphorus Graphite Bauxite Sulphur Phosphorus Graphite Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gypsum is used for improvement of: Saline soils Podsols Alkaline soils Acidic soils Saline soils Podsols Alkaline soils Acidic soils ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atomic number is the number equal to Electrons None of these Protons Neutrons Electrons None of these Protons Neutrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The apparatus used to test acidity of aqueous solution is Ammeter Hygrometer PH meter Acidmeter Ammeter Hygrometer PH meter Acidmeter ANSWER DOWNLOAD EXAMIANS APP
Chemistry The antiparticle of an electron is Beta particles Positron Alpha particles Proton Beta particles Positron Alpha particles Proton ANSWER DOWNLOAD EXAMIANS APP
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