Question

One day Geetinder while helping her mother in kitchen observed that Metals like iron, copper and aluminium are used to make cookware. She asked her mother which Property of metals is used here​

Answer 1

Explanation:

Hardness ਕਠੋਰਤਾ

(b) Malleability ਕੁਟਣਯੋਗਤਾ

(c) Conductivity ਚਾਲਕਤਾ

(d) All of above are correct ਉਪਰੋਕਤ ਸਾਰੇ ਸਹੀ ਹਨ

Answer 2

The thermal conductivity of metal is being used in cooking.

• Metals can conduct heat.
• If you take a piece of metal and heat it at one end sometimes the other end which was not exposed to heat also gets hot.
• This is due to the thermal conductivity of metals.
• This property has made cooking easier.
• Cookware is made of metals that can easily conduct heat.
• Hardness is another property of a metal that makes it desirable for making cookware.
• Unlike glass or clayware, metal wares will not break.

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