Question

Que-1) Name the properties of matesials.
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Answer 1

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Metals are -

• Sonorous.
• Ductile.
• Malleable.
• Good conductors of electricity.
• Lustrous.

$\large{\underline{\underline{\red{Now,\: let's\: understand\:these\:terms:-}}}}$

$\large{\underbrace{\purple{Sonorous}}}$

Metals are said to be sonorous because they produce ringing sound when beaten hard.

$\large{\underbrace{\purple{Ductile}}}$

Metals can be drawn into wires. Thus, they possess ductility and are called ductile.

$\large{\underbrace{\purple{Malleable}}}$

Metals possess the property malleability as they can be beaten into thin sheets.

$\large{\underbrace{\purple{Good\: conductors\:of\: Electricity}}}$

Metals allow electricity to pass through them freely. Thus, they are good conductors of electricity.

$\large{\underbrace{\purple{Lustrous}}}$

Generally all metals have a lustrous surface. So, they are also known as lustrous.