Chemistry Maximum permissible concentration of total hardness in drinking water is 200 50 100 500 200 50 100 500 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Silver nitrate solution is kept in brown bottles in laboratory because Brown bottles react with it Brown bottles do not react with it Brown bottles stops the passage of light through it It reacts with ordinary white bottles Brown bottles react with it Brown bottles do not react with it Brown bottles stops the passage of light through it It reacts with ordinary white bottles ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used to galvanise iron to protect it from rusting is Chromium Zinc Lead Antimony Chromium Zinc Lead Antimony ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements is least likely to be found in commercial fertilisers? Silicon Phosphorous Potassium Nitrogen Silicon Phosphorous Potassium Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ultra purification of a metal is done by : Slugging Zone melting Smelting Leaching Slugging Zone melting Smelting Leaching 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 Raman spectra Emission spectra Fluorescence Absorption spectra Raman spectra Emission spectra Fluorescence Absorption spectra ANSWER DOWNLOAD EXAMIANS APP
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