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

Q-1)   The important metal used with iron to make it rust free

(a)

(b)

(c)

(d)


Q-2)   Which one of the following metals does not form amalgam?

(a)

(b)

(c)

(d)


Q-3)   Which metal exists as a common component in Brass, Bronze and German Silver?

(a)

(b)

(c)

(d)


Q-4)   Which of these consists carbon?

(a)

(b)

(c)

(d)


Q-5)   Burning of Hydrogen produces

(a)

(b)

(c)

(d)


Q-6)   Which gas is not in the gaseous cycle?

(a)

(b)

(c)

(d)


Q-7)   Out of the following which is not an alloy?

(a)

(b)

(c)

(d)


Q-8)   For the ceiling of diamonds, the unit of weight is carat. One carat is equal to

(a)

(b)

(c)

(d)


Q-9)   What is the approximate percentage of Nitrogen present in the atmosphere?

(a)

(b)

(c)

(d)


Q-10)   Consider the following statements and select the correct answer from given codes below.
  1. Water becomes harder due to the presence of Calcium Sulphate and it is not usable.
  2. Diamond is harder than copper and iron.
  3. Oxygen is the main component of air.
  4. Nitrogen is used in the manufacture of vegetable ghee.
Code

(a)

(b)

(c)

(d)