Explain why an aqueous solution of beryllium chloride is acidic.
Which salt is used for the preparation of Green fire?
What is 'Fluid Magnesia'?
Halides of Be dissolve in organic solvents while those of Ba do not. Why is it so?
What is dead burnt plaster?
Why is anhydrous CaSO4 used as a drying agent? Why not Plaster of Paris?
What is line mortar?
Which metal is extracted by Dow's process?
Name a substance which is used in making chalks.
Gypsum CaSO4.2H2O
Why anhydrous magnesium chloride is not obtained by simply heating hexahydrate?