Question

(1) Explain the statements. To prepare ornaments 22 carat gold is used.
(ii) While studying chemical properties of metals it is found that gold or silver do not react
readily
(2) Prepare a list of 4 metals and 4 nonmetals in our eevery day Life

Answer 1

Answer:

1= 24 carat gold is said to be the pure gold but it is very soft in nature

if we made ornaments by using 24 carat of gold they can break

hence to avoid such brittleness 22 carat gold is used to make ornaments

2= Gold is noble metal hence it does not react readily

3= metals - copper, iron, nickel , cobalt , magnesium etc.

non metals - chlorine , hydrogen , fluorine , etc.

Answer 2

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