Practice Questions test 4 - general science mcq Online Quiz (set-1) For All Competitive Exams

Q-1)   Which one of the following liquids is very good conductor of heat?

(a)

(b)

(c)

(d)


Q-2)   There is no reaction when steam passes over

(a)

(b)

(c)

(d)


Q-3)   Which of the following metals constitutes the alloy magnalium –

(a)

(b)

(c)

(d)

Explanation:

Magnalium is a mixture of 90% Al and 10% Mg.


Q-4)   Bauxite is an ore of which of the following metals?

(a)

(b)

(c)

(d)


Q-5)   Monazite is an ore of

(a)

(b)

(c)

(d)


Q-6)   Aluminium metal is obtained from

(a)

(b)

(c)

(d)


Q-7)   Which of the following is an element which never exhibits positive oxidation state in any of its compounds?

(a)

(b)

(c)

(d)


Q-8)   Match List-I with List-II:
List-I (Naturally occurring substance) List-II (Elements present)
A. Diamond 1. Calcium
B. Marble 2. Silicon
C. Sand 3. Aluminium
D. Ruby 4. Carbon
Select the correct answer using the codes given below the list:

(a)

(b)

(c)

(d)

Explanation:


Q-9)   Which among the following elements is abundant on the lunar surface and holds the potential to put an end to the energy crisis of the earth?

(a)

(b)

(c)

(d)


Q-10)   Match List-I with List-II:
List-I List-II
A. Best conductors of heat and electricity 1. Gold
B. The highest amount of metal is found 2. Lead
C. Most flexible and able to increase by bang metal 3. Aluminium
D. Minimum heat conducting 4. Silver
Select the correct answer using the codes given below the list:

(a)

(b)

(c)

(d)

Explanation: