Chemistry Which one of the following nonmetals shows allotropy in the liquid state? Carbon Sulphur Phosphorous Bromine Carbon Sulphur Phosphorous Bromine ANSWER DOWNLOAD EXAMIANS APP
Chemistry In a period from Li to F, ionisation potential Increases Decreases Remains same Cannot be predicted Increases Decreases Remains same Cannot be predicted ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea water can be purified by the process of Filtration Distillation Fractional distillation Evaporation Filtration Distillation Fractional distillation Evaporation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The first metal used by man was bronze gold copper iron bronze gold copper iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry In a reaction of the type A+B ? C+D one could ensure it to be a first order reaction by : Increasing the concentration of a product Increasing the temperature Increasing the concentration of a reactant Adding a catalyst Increasing the concentration of a product Increasing the temperature Increasing the concentration of a reactant Adding a catalyst ANSWER DOWNLOAD EXAMIANS APP
Chemistry Chemical composition of cement is Limestone and Gypsum Limestone, Clay and Gypsum Limestone and Clay Clay and Gypsum Limestone and Gypsum Limestone, Clay and Gypsum Limestone and Clay Clay and Gypsum ANSWER DOWNLOAD EXAMIANS APP