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

Q-1)   Which one of the following is not a mixture?

(a)

(b)

(c)

(d)


Q-2)   Which one among the following is not a mixture?

(a)

(b)

(c)

(d)


Q-3)   Who among the following is called 'The father of modern chemistry?

(a)

(b)

(c)

(d)


Q-4)   The oxide of which of the following elements is used as a coolant?

(a)

(b)

(c)

(d)


Q-5)   Which one is a sublime substance?

(a)

(b)

(c)

(d)


Q-6)   What happens when a fixed amount of oxygen gas is taken in a cylinder and compressed at constant temperature?
  1. Number of collisions of oxygen molecules at per unit area of the wall of the cylinder increase.
  2. Oxygen ($O_2$) gets converted into ozone ($O_3$).
  3. Kinetic energy of the molecules of oxygen gas increases.

(a)

(b)

(c)

(d)


Q-7)   What is the term used to denote the critical temperature at which the air becomes saturated with vapour and below which the condensation is likely to begin ?

(a)

(b)

(c)

(d)


Q-8)   A sample contains two substances and has uniform properties. The sample is

(a)

(b)

(c)

(d)

Explanation:

Homogeneous mixture is a solution having uniform composition and properties throughout.


Q-9)   Which one of the following is not a mixture?

(a)

(b)

(c)

(d)


Q-10)   The main constituent of vinegar is

(a)

(b)

(c)

(d)