Question

5. Gold is used to make jewellery because
(a) it is dull
(b) lustrous and attractive
(c) highly reactive
(d) very cheap
6. The most abundant elements in the universe are
(a) neon and argon
7
(b) hydrogen and helium
(c) aluminium and copper
(d) oxygen and nitrogen​

Answer 1

Answer:

5. (a)

6. (b)

Explanation:

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Answer 2

Answer:

5. (b) lustrous and attractive

6. (b) hydrogen and helium are the most abundant elements in the universe.