Chemistry The gas which emits from rice field is All of these Methane Ethane Nitrogen All of these Methane Ethane Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aqua regia is a 1 : 3 mixture, by volume, of Conc. hydrochloric acid and conc. nitric acid Conc. sulphuric acid and conc. nitric acid Conc. nitric acid and conc. hydrochloric acid Conc. nitric acid and conc. sulphuric acid Conc. hydrochloric acid and conc. nitric acid Conc. sulphuric acid and conc. nitric acid Conc. nitric acid and conc. hydrochloric acid Conc. nitric acid and conc. sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Highly toxic gas which causes headache, visual difficulty, paralysis and even death is CO All of these O3 CO2 CO All of these O3 CO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bone ash contains Phosphoric sulphate Calcium hypophosphate Calcium phosphate Calcium sulphate Phosphoric sulphate Calcium hypophosphate Calcium phosphate Calcium sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry High concentration hydrocarbon pollutants in atmospheric air causes Cancer Silicosis Reduced crop yield Respiratory diseases (e.g.asthma) Cancer Silicosis Reduced crop yield Respiratory diseases (e.g.asthma) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following laser types is used in a laser printer? Semiconductor laser Dye laser Excimer laser Gas laser Semiconductor laser Dye laser Excimer laser Gas laser ANSWER DOWNLOAD EXAMIANS APP
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