3rd Quizz od the day Science quizzzz,,,,,,,,,,,,,,,,,,,,

Which of the following is a non metal that remains liquid at room temperature?
A.     Phosphorous  
B.     Bromine
C.     Chlorine  
D.     Helium

Which of the following is the lightest metal ?
(A) Mercury
(B) Silver
(C) Lithium
(D) Lead

  Which of the following is the lightest metal ?
(A) Mercury
(B) Silver
(C) Lithium
(D) Lead


The element present in the largest amount in rocks and minerals is —
(A) Carbon
(B) Silicon
(C) Hydrogen
(D) Aluminium

An alloy used in making heating elements for electric heating devices is —
(A) Solder
(B) Alloysteel
(C) Nichrome
(D) German Silver

Air is a/an —
(A) Compound
(B) Element
(C) Mixture
(D) Electrolyte

Which of the following is the best conductor of Electricity ?
(A) Ordinary water
(B) Sea water
(C) Boiled water
(D) Distilled water


Balloons are filled with —
(A) Helium
(B) Oxygen
(C) Nitrogen
(D) Argon