Chemistry The natural source of hydro-carbon is Coal Carbohydrates Biomass Crude oil Coal Carbohydrates Biomass Crude oil ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as a lubricant in heavy machines? Phosphorus Sulphur Graphite Bauxite Phosphorus Sulphur Graphite Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the element that is in the highest percentage in the composition of the earth ? Silicon Magnesium Oxygen Iron Silicon Magnesium Oxygen Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a renewable source of energy ? Uranium Geothermal powder Coal Natural gas Uranium Geothermal powder Coal Natural gas ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in dating archaeological findings ? 614C 13H 92235U 818O 614C 13H 92235U 818O ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following has pH value 7? Pure Water H2SO4 HCl Sodium Carbonate Pure Water H2SO4 HCl Sodium Carbonate ANSWER DOWNLOAD EXAMIANS APP