1.

Name:(a) Two metals which are liquid at room temperature(b) two metals which are soft(c) a metal which lacks ductility(d) a non-metal which is lustrous(e) a non-metal which conducts electricity(f) a metal which is brittle(g) two non metals which are monoatomic(h) two metallic oxides which are acidic(i) two metallic oxides which are amphoteric(j) two metals which react with cold water,(k) the compound responsible for the green deposit on the surface of the copper(l) the most abundant metal and the most abundant non-metal(m) anon-metall which can form a positive ion(n) a non-metal which shows reducing property(o) a metal whose oxide is reduced only by carbon

Answer»

(a) Mercury and gallium

(b) Sodium and potassium

(c) Mercury

(d) Iodine

(e) Graphite

(f) Zinc

(g) Neon , Argon

(h) CrO3 , Mn2O7

(i) Al2O3,PbO

(j) Potassium , sodium

(k) Basic copper(II) sulphate

(l) Aluminium , Oxygen

(m) Hydrogen

(n) Carbon

(o) Iron



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