MCQ Question Quiz For Class 9 Science (chemistry) Chapter - 2 is matter around us pure. CBSE/NCERT Special For Exam Ncert class 9 is matter around us pure in english solutions.Class 9 MCQs Question Quiz of is matter around us pure
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| Is matter around us pure MCQ Quiz |
Part 1
Video Solution
Which of the following is not an element?
A. graphite
B. germaniumcc
C. silica
D. silicon
Ans c
One of the following substances is neither a good conductor of electricity nor
an insulator. This substance is:
A. chromium
B. gernmanium
C. gallium
D. potassium
Ans b
Which of the following is not a mixture?
A. kerosene
B. air
C. alcohol
D. petrol
Ans c
“Is malleable and ductile” best describes:
A. a solution
B. a metal
C. a compound
D. a non-metal
Ans b
Which one of the following is not a metalloid?
A. boron
B. silicon
C. gallium
D. germanium
Ans c
The elements which normally exist in the liquid state are:
A. bromine and iodine
B. mercury and chlorine
C. iodine and mercury
D. bromine and mercury
Ans d
On the basis of composition of matter, milk is considered to be:
A. a pure substance
B. an impure substance
C. An element
D. a compound
Ans b
Which of the following are homogeneous in nature?
(A) ice
(B) wood
(C) both a) and d)
(D) air
Ans c
Which of the following does not have a fixed melting point/boiling point?
A. gold
B. ethanol
C. air
D. oxygen
Ans c
Part 2
Video Solution
The substance which is not a compound
(a) marble
(b) limestone
(c) diamond
(d) chalk
Ans c
The substance that is not pure
(a) brass
(b) copper wire
(c) aluminium sheet
(d) wrought iron
Ans a
The components of water can be separated by
(a) Physical methods
(b) Chemical methods
(c) Both
(D) None of them
Ans b
Brass is a:
(a) Compound
(b) Element
(c) Homogeneous mixture
(d) Heterogeneous mixture
Ans c
Diamond is lustrous because
(a) it is colourless
(b) it is hard
(c) it is pure
(d) its refractive index is high
Ans d
If we burn graphite,
(a) residue will be left
(b) no residue will be left
(c) it will not burn
(d) it will change into diamond.
Ans b
1 carat of diamond is equal to
(a) 200 mg
(b) 200 g
(c) 100 mg
(d) 100 g
Ans a
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