Chemistry The natural source of hydro-carbon is Crude oil Coal Carbohydrates Biomass Crude oil Coal Carbohydrates Biomass ANSWER DOWNLOAD EXAMIANS APP
Chemistry Persons working in cement plants and lime stone quarries are prone to disease like Pneumoconiosis Silicosis Cancer Asthma Pneumoconiosis Silicosis Cancer Asthma ANSWER DOWNLOAD EXAMIANS APP
Chemistry Major portion of the earth’s crust is mainly constituted by Oxygen and Silicon Oxygen and Iron Silicon and Aluminium Silicon and Iron Oxygen and Silicon Oxygen and Iron Silicon and Aluminium Silicon and Iron 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 Smog Eutrophication None of these Green house effect Smog Eutrophication None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one is not a pure form of carbon Coal Graphite Diamond Gold Coal Graphite Diamond Gold ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hardness of the water is commonly measured in terms of Magnesium carbonate equivalents Calcium carbonate equivalents Calcium sulphate equivalents Magnesium sulphate equivalents Magnesium carbonate equivalents Calcium carbonate equivalents Calcium sulphate equivalents Magnesium sulphate equivalents ANSWER DOWNLOAD EXAMIANS APP