Chemistry
What is the role played by the following substances in the extraction of Aluminium ?
(a) Caustic soda
(b) Fluorspar
Related Questions
Write the products and balance the equation.
(a) C + Conc. ΗΝΟ3 ⟶
(b) Na2SO3 + HCl ⟶
(c) C2H6 + O2 ⟶
Give balanced chemical equations for the following:
(a) Laboratory Preparation of Ethylene.
(b) Preparation of Ethanol by hydrolysis of alkyl halide.
(c) Ethene reacting with bromine.
Calculate:
A gas cylinder is filled with hydrogen and it holds 50 g of gas. The same cylinder holds 200 g of gas X and 500 g of gas Y under same temperature and pressure conditions. Calculate the vapour density of gas X and molecular mass of gas Y.Explain the following :
(a) HCl gas dissolved in toluene does not affect litmus.
(b) An inverted funnel is used to dissolve Ammonia gas in water.
(c) A bottle of liquor ammonia should be opened very carefully.