Chemistry The mineral containing both magnesium and calcium is magnesite dolomite carnallite calcite magnesite dolomite carnallite calcite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound to which H2 does not add is Biphenyl ethylene Tetraphenyl ethylene Tetra –9 – phenanthrylethylene Tetra – a –naphthylethylene Biphenyl ethylene Tetraphenyl ethylene Tetra –9 – phenanthrylethylene Tetra – a –naphthylethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry When a nutrient like fertilizer is present in large quantities in a water bodies, plants grow and decay in large numbers because of suffocating of pond that does not leave enough oxygen needed to support life. This type of pollution is called Green house effect Eutrophication Smog None of these Green house effect Eutrophication Smog None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry The manufacturing of iron from iron ore involves the process of Fractional distillation Oxidation Reduction Electrolysis Fractional distillation Oxidation Reduction Electrolysis ANSWER DOWNLOAD EXAMIANS APP
Chemistry Galena is a mineral of Calcium Gold Iron Lead Calcium Gold Iron Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry Of the following compounds of calcium, the one having highest covalent character is CaBr2 Cal2 Cacl2 CaF2 CaBr2 Cal2 Cacl2 CaF2 ANSWER DOWNLOAD EXAMIANS APP