give some uses
of metals calcium and gold
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Calcium metal is used as a reducing agent in preparing other metals such as thorium and uranium. It is also used as an alloying agent for aluminium, beryllium, copper, lead and magnesium alloys. Calcium compounds are widely used.
18- and 9-carat gold alloys are commonly used because they are more durable. The metal is also used for coinage, and has been used as standard for monetary systems in some countries. Gold can be beaten into very thin sheets (gold leaf) to be used in art, for decoration and as architectural ornament.
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Uses :
1. Calcium :
It is also used as an alloying agent for aluminium, beryllium, copper, lead and magnesium alloys
2. Gold :
Gold can be beaten into very thin sheets (gold leaf) to be used in art, for decoration and as architectural ornament.
3. Metal :
Metals Iron is used for making automobiles, machinery, pipes, containers, nails, etc
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