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(i) Name the metal which is used in the ...

(i) Name the metal which is used in the manufacture of high voltage electric transmission wire.
(ii) Why is aluminium used in the manufacture of household articles?
(iii) Write the name and the formual of the monomer of polyethylene
(iv) Among which alloys the percentage of zinc is less (Brass/Bronze)?
(v) Why is silicone used in the manufacture of nonstick pans?

Text Solution

Verified by Experts

(i) Aluminium metal is used in the manufacture of high voltage electric transmission wire.
(ii) Aluminium is corrosion resistant due to surface oxide formation . Hence, used in the manufacture of household articles.
(iii) Monomer of polyethylene is ethylene molecule having molecular formula ` C_(2)H_(4)`.
(iv) Bronze alloy has less percentage of zinc.
(v) Silicone is highly heat resistant, non-sticky and water repellent.
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