Chemistry What is the element required for solar energy conversion ? Tantalum Silicon Beryllium Ultra pure carbon Tantalum Silicon Beryllium Ultra pure carbon 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 Raman spectra Fluorescence Emission spectra Absorption spectra Raman spectra Fluorescence Emission spectra ANSWER DOWNLOAD EXAMIANS APP
Chemistry Laughing gas is Nitrogen trioxide Nitric oxide Nitrous oxide Nitrogen pentoxide Nitrogen trioxide Nitric oxide Nitrous oxide Nitrogen pentoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal used to galvanise iron to protect it from rusting is Lead Zinc Antimony Chromium Lead Zinc Antimony Chromium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical that is used to ripen mangoes is Calcium carbide Calcium sulphide Calcium carbonate Calcium chloride Calcium carbide Calcium sulphide Calcium carbonate Calcium chloride ANSWER DOWNLOAD EXAMIANS APP
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