Haematite is the ore of? Fe3 O4 is the formula of? Chalcopyrite is the ore of? Which one of the following is an ore of iron? The formula of haematite is? Bauxite is the ore of? Which one of the following is the ore of sodium? Pbs is the formula of? Naphta is used as gas for cooking? How many carbon atoms per molecule are present in diesel? Lubricating oil is used as lubricants for machines and engines? Hazardous to environment is incorrect about synthetic fertilizers?
The gaseous products accumulated over the petroleum is known as? The conversion of crude oil into useful products is called as Smelting? 3 amino groups are present in urea? Molecular mass of ammonium sulphate is 132? The percentage of nitrogen in ammonium nitrate is 70%? Percentage of nitrogen in ammonium sulphate is 35%?