Chemistry This group of alumino-silicate minerals is widely used in making electrical insulators Manganese Bauxite Chromite Mica Manganese Bauxite Chromite Mica ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heavy metal pollution of water is caused by: Wood burning Paints Domestic sewage Acid Plants Wood burning Paints Domestic sewage Acid Plants ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemically ‘Quick Silver is known as Silver Mercury Copper Aluminium Silver Mercury Copper Aluminium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following contains high content of lead? Cooking gas High octane fuel Low octane fuel Coal Cooking gas High octane fuel Low octane fuel Coal 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 In which of the following ions , the colour is not due to d-d transition ? [CrO4]2− [Ti(H2O)6]3+ [CoF6]3+ [Cu(NH3)4]2+ [CrO4]2− [Ti(H2O)6]3+ [CoF6]3+ [Cu(NH3)4]2+ ANSWER DOWNLOAD EXAMIANS APP
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