Practice Chemistry quiz set 3 - general science mcq Online Quiz (set-1) For All Competitive Exams
Q-1) Wooden pencil used for writing contains
(a)
(b)
(c)
(d)
Q-2) The latest discovered state of matter is
(a)
(b)
(c)
(d)
Q-3) When dispersed phase is liquid and dispersion medium is gas then the colloidal system is called
(a)
(b)
(c)
(d)
Clouds consists of fine droplets of water suspended in air
Q-4) Which one among the following is a sin smelling agent added to LPG cylinder to help the detection of gas leakage?
(a)
(b)
(c)
(d)
Q-5) The main of component of Biogas is
(a)
(b)
(c)
(d)
Q-6) Which chemical was an important symbol in our freedom struggle ?
(a)
(b)
(c)
(d)
Q-7) In which of the following the constituents are present in any ratio?
(a)
(b)
(c)
(d)
Q-8) Non-reacting gases have a tendency to mix with each other. This phenomenon is known as
(a)
(b)
(c)
(d)
Q-9) The chemical formula of Borax is
(a)
(b)
(c)
(d)
Q-10) Which of the following is a compound ?
(a)
(b)
(c)
(d)
Hydrogen sulphide (H2 S) is a compound of hydrogen and sulphur.
Stainless steel and bronze are alloys whereas graphite is an allotropic form of the element carbon.