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Chemistry : Metals


Answer the following questions by choosing the most appropriate option.

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Multiple choice

Your Performance  

1.

Metals that can be easily beaten into sheets are known as _______ metals.

  malleable

  ductile

  beatable

  polymer

  Half-n-half Clue
 

2.

Sodium is very reactive and may burn on exposure to air. Therefore, it is kept under _______.

  oil

  acids

  water

  ice

  Half-n-half Clue
 

3.

Brass is _______.

  a compound

  a mixture

  an element

  an alloy

  Half-n-half Clue
 

4.

Which metal is extracted from the ore 'bauxite'?

  Tungsten

  Aluminum

  Gold

  Iron

  Half-n-half Clue
 

5.

Metals are usually good conductors of heat and electricity.

  True

  False

 

6.

To prevent corrosion, metals are often galvanized by covering them with a layer of _______.

  sodium

  zinc

  tin

  copper

  Half-n-half Clue
 

7.

An alloy is _______.

  an element in the impure form

  a compound of three elements

  a solid solution of two or more metals

  a mixture of three elements

  Half-n-half Clue
 


 
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