Question

their crystals are different. The main factor that determi
ns in a crystal is the attractive force between oppositely
rce between similarly charged ions. Because of this the g
egative ions arranged around a positive ion and positive i
n. Two of the important factors responsible for a certain
1) Size of the positively and negatively charged ions
2) Magnitude of the electrical charge on the ions.
The electrostatic attraction in the neighbouring ions
rong. That is why the melting points
of ionic compou
ompounds are hard and brittle
roperties of ionic compounds
Apparatus: Metal spatula, burner, co
lamp. press key, electric
Chemicals: Samples of sodium chlori
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Answer 1

According to the recent data, about 54% of the total land area is cultivable or fallow, 22.5% is covered by forests, and 3.45% is used for grazing. The rest is waste land, with traces of miscellaneous cultivation.