Chemistry Which of the following is caused by the higher concentration of Nitrogen and Phosphorous ? Eutrophication Alkalinity Acidity Hardness Eutrophication Alkalinity Acidity Hardness ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a metal is heated in a flame, the electrons absorb energy and jump to higher energy state. On coming back to the lower energy siate, they emit light, which we can observe in Absorption spectra Emission spectra Fluorescence Raman spectra Absorption spectra Emission spectra Fluorescence Raman spectra ANSWER DOWNLOAD EXAMIANS APP
Chemistry Periodic table contains how many groups 18 16 19 17 18 16 19 17 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Maximum permissible concentration of total hardness in drinking water is 100 500 50 200 100 500 50 200 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The natural source of hydro-carbon is Crude oil Carbohydrates Coal Biomass Crude oil Carbohydrates Coal Biomass ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following causes the rusting of iron? a. Oxidation b. Reduction c. Chemical reaction with oxygend. Chemical reaction with CO2 C and d A and c B and c A and b C and d A and c B and c A and b ANSWER DOWNLOAD EXAMIANS APP
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