ananya5pargal Asked: April 2023 Excess of AgNO3 solution was added to 2.2g of commercial sample of common salt dissolved in water. The mass of dried precipitate of
ananya5pargal Asked: April 2023 A sample of dolomite contained 45% of CaCO3,40% of MgCO3 and 15% clay. Calculate the mass of sulphuric acid of 30%
ananya5pargal Asked: April 2023 Two oxides of lead were separately reduced to metallic lead by heating in a current of hydrogen and the following data obtained: 1) mass