Chemistry Supersonic jet causes pollution by thinning of SO2 layer O 2 layer CO2 layer O3 layer SO2 layer O 2 layer CO2 layer O3 layer ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver halides are used in photographic plates because they are Soluble in hyposolution Totally colourless Reduced by light Oxidised in air Soluble in hyposolution Totally colourless Reduced by light Oxidised in air ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas which emits from rice field is Methane All of these Ethane Nitrogen Methane All of these Ethane Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Two moles of an ideal gas expand freely into vacuum. The work done by the gas is 2J 4J Infinity 2J 4J Infinity ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance that is added to make natural rubber strong and more bouncy is Sponge Sulphur Chlorine Polythene Sponge Sulphur Chlorine Polythene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gypsum is used for improvement of: Saline soils Alkaline soils Acidic soils Podsols Saline soils Alkaline soils Acidic soils Podsols ANSWER DOWNLOAD EXAMIANS APP
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