Chemistry Acid rain is caused by SO2 and particulates NO2and particulates CO2and CFCs SO2 and NO2 SO2 and particulates NO2and particulates CO2and CFCs SO2 and NO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The new strain of bacteria produced by biotechnology in alcohol industry is Escherichia coli Pseudomonas putida Bacillus subtilis Saccharomyces cerevisiae Escherichia coli Pseudomonas putida Bacillus subtilis Saccharomyces cerevisiae ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following type of coal has the lowest proportion of volatile matter ? Lignite Bituminous Anthracite Peat Lignite Bituminous Anthracite Peat ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sodium vapour lamps glow with yellow colour. This is due to The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum Its ability to absorb all other colours except yellow sublimation of sodium to emit yellow colour The low ionisation energy of sodium The emission of excess energy absorbed by sodium atoms, in the yellow region of the spectrum Its ability to absorb all other colours except yellow sublimation of sodium to emit yellow colour The low ionisation energy of sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The third shell of an atom can have a maximum of ______ electrons 21 15 18 13 21 15 18 13 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following has pH value 7? H2SO4 HCl Pure Water Sodium Carbonate H2SO4 HCl Pure Water Sodium Carbonate ANSWER DOWNLOAD EXAMIANS APP