metals and non-metals

1. Metals generally form:
  A) basic oxides
  B) acidic oxides
  C) neutral oxides
  D) none of these

... Answer is A )
A) basic oxides

2.  Metals have metallic lustre due to:
 A)  absence of free electrons
 B)  presence of free electrons
 C)  polish
 D)  none of the above

... Answer is b)
B)  presence of free electrons

3. Metals are:

 A) malleable and ductile
 B) non-melleable and ductile
 C) brittle and ductile
 D) non-malleable and non-ductile

 

... Answer is A)
A) malleable and ductile

4. Metal have:

 A) high melting and boiling point
 B) low melting and boiling point
 C) high melting and low boiling point
 D) low melting and high boiling point

  

... Answer is A)
A) high melting and boiling point

5. Metal are :

 A) bad conductors of heat and electricity
 B) good conductors of heat and electricity
 C) good conductors of heat and bad conductors of electricity
 D)  semi-conductors of heat and electricity

 

... Answer is B)
B) good conductors of heat and electricity

6. a metal which melts on the palm
 A)  potassium
 B)  soldium
 C)  gallium
 D)  zinc

... Answer is B)
B)  soldium

7. the most abundant metal on the earth is :

 A)  iron
 B)  gold
 C)  aluminum
 D)  copper

 

... Answer is C) 

8. metal that is liquid at room temperature is :

 A)  mg
 B)  au
 C)  ag
 D)  hg

 

... Answer is D) 

9. the metal poisonous for human body is

 A) copper
 B) lead
 C) silver
 D) gold

 

... Answer is B)
B) lead

10. metal which is constituent of haemoglobin is

 A) copper
 B) zinc
 C) maganese
 D) iron

 

... Answer is D)