Question

Give two examples of each.
7. Select elements and compounds from the
following list :
Iron, plaster of paris, chalk, common salt, copper,
aluminium, calcium oxide, cane sugar, carbon,
silica, sodium sulphate, uranium, potassium
carbonate, silver, carbon dioxide.
​

Answer 1

Answer:

elements

iron,copper,aluminium,carbon,uranium,silver

compounds

plaster of paris,chalk,common salt,calcium oxide,cane sugar,silica,sodium sulphate,potassium  carbonate,carbon dioxide

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Answer 2

Answer:

Rayon is a manufactured regenerated cellulose fiber. Because it is produced from naturally occurring polymers, it is neither a truly synthetic fiber nor a natural fiber; it is a semi-synthetic fiber.

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Explanation:

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