Chemistry Number of neutrons in an atom of hydrogen is Two Zero Three One Two Zero Three One ANSWER DOWNLOAD EXAMIANS APP
Chemistry Aqua regia is a 1 : 3 mixture, by volume, of Conc. nitric acid and conc. hydrochloric acid Conc. nitric acid and conc. sulphuric acid Conc. sulphuric acid and conc. nitric acid Conc. hydrochloric acid and conc. nitric acid Conc. nitric acid and conc. hydrochloric acid Conc. nitric acid and conc. sulphuric acid Conc. sulphuric acid and conc. nitric acid Conc. hydrochloric acid and conc. nitric acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Acid rain is caused by SO2 and NO2 NO2and particulates SO2 and particulates CO2and CFCs SO2 and NO2 NO2and particulates SO2 and particulates CO2and CFCs ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following laser types is used in a laser printer? Dye laser Gas laser Semiconductor laser Excimer laser Dye laser Gas laser Semiconductor laser Excimer laser ANSWER DOWNLOAD EXAMIANS APP
Chemistry If a buffer solution is diluted its pH Will slowly increase and then it will decrease Is decreased Is increased Remains same Will slowly increase and then it will decrease Is decreased Is increased Remains same ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is obtained from sea weeds ? Vanadium Sulphur Argon Iodine Vanadium Sulphur Argon Iodine ANSWER DOWNLOAD EXAMIANS APP
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