Question

(1) Differentiate metal and
metal and non-metals oth the
basis of their chemical properties.
[5m
2.) Name the metal which reacts with
to evolve hydrogen gas.
or
litmus to
dilute HNO3​

Answer 1

Explanation:

Metals Non-metals

Metals are electro-positive. Non-metals are electronegative.

Metals reacts with oxygen to form basic oxides. 4Na+O2→2Na2O Non-metals react with oxygen to form neutral or acidic oxide. C+O2→CO2

Metal oxides and hydroxides bonds have ionic bonds. Non-metal oxides and hydroxides have covalent bonds.