Question

B) Give reasons for the following.

1) Platinum gold and silver are used to make jewellery.

2) Tungsten is used in filaments.

3) Most metal objects are painted.

C) Answer the following.


1) Which is the most abundant metal found in the earth's crust? Give its 2 uses.

2) Write three characteristics of metalloids.

3) Give three uses of iodine.

4) Write two points of difference between metals and nonmetals.​

Answer 1

Answer:

B) 1 ) as they are shiny

2) it gets heated up fast and also cools up fast

3) so that they do not get corroded

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