Question

ia writing samaj ni Ara hai koi likh Kar smjha doge.. please​

Answer 1

Answer:

CH - 9 ( Metals and non metal )

1) What is the Teton responsible for the shine of metals ?

Ans) Leisure is responsible for the shine of metals.

2) Which liquid metal is used in thermometer?

Ans) Mercury is used in thermometer.

3) Name a metalloid used in computer part ?

Ans) Silicon is used in computer parts.

4) Define electrical conductivity ?

Ans) The quantity of electricity transmitted by a unit area in a unit time under a unit potential difference is known as electrical conductivity.

5) Name an alloy of magnesium ?

Ans) Alloys of magnesium are duralumin and magnesium.

6) Write three characteristics of metal ?

Ans) The characteristics of metal are :-

a) lustier - it is the property to reflect light and hence appear shining.

b) malleability - the property of a metal to be beaten into sheets.

c) ductility - the property of a metal to be drawn into mites.

Explanation:

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