Question

Exercise
1. Write names.
a. Alloy of sodium with mercury.
b. Molecular formula of the common ore
of aluminium.
c. The oxide that forms salt and water by
reacting with both acid and base.
d. The device used for grinding an ore.
e. The nonmetal having electrical
conductivity
f. The reagent that dissolves noble metals.​

Answer 1

a. Sodium almagam

b.Al2H2O4 -bauxite

c. amophoteric acid eg-aluminum oxide ,lead oxide

d. ball mill

e.graphite

f. aqua-regia