Buy State of Matter Discussion Solutions

Buy State of Matter Discussion Solutions
Buy State of Matter Discussion Solutions
1. The latest discovered state of matter is
[NDA/NA 2014]
(a) solid
(b) Bose-Einstein condensate
(c) plasma
(d) liquid
2. Bose-Einstein condensate is a
(a) solid state of matter [CDS 2019]
(b) fifth state of matter
(c) plasma
(d) state of condensed matter
3. Matter around us can exist in three
different states, namely, solid, liquid
and gas. The correct order of their
compressibility is [NDA 2016]
(a) Liquid < Gas < Solid
(b) Solid < Liquid < Gas
(c) Gas < Liquid < Solid
(d) Solid< Gas < Liquid
4. Which one of the following statements
is incorrect? [SSC CGL 2019]
(a) The measurable unit of pressure is
denoted in metre.
(b) Matter is made up of small particles.
(c) Evaporation causes cooling.
(d) Brass is a mixture of 30% zinc and
70% copper.
5. Consider the following statements
about mixture? [CDS 2019]
I. A substance can be separated into
other kinds of matter by any physical
Buy State of Matter Discussion Solutions
II. Dissolved sodium chloride can be
separated from water by the physical
process of evaporation.
Which of the statements given above
is/are correct ?
(a) Only I (b) Only II
(c) Both I and II (d) Neither I nor II
6. A molecule of a substance is similar to
its atom for [SSC 2013]
(a) diatomic molecule
(b) polyatomic molecule
(c) monoatomic molecule
(d) triatomic molecule
7. Which one of the following is monoatomic ? [CDS 2019]
(a) Hydrogen (b) Sulphur
(c) Phosphorus (d) Helium
8. Which one of the following is not a
monoatomic element ? [NDA 2019]
(a) Copper (b) Helium
(c) Iodine (d) Barium
9. ………are homogeneous mixtures of two
or more components. [SSC CGL 2019]
(a) Amalgams (b) Solutions
(c) Enzymes (d) Emulsions
10. Statement I All compounds contain
more than one element.
Statement II All compounds are
heterogeneous mixtures. [CDS 2012]
(a) Both the statements are individually
true and statement II is the correct
explanation of statement I.
(b) Both the statements are individually
true but statement II is not the correct
explanation of statement I.
(c) Statement I is true, but statement II is
(d) Statement I is false, but statement II
is true.
11. Iodine can be separated from a mixture
of iodine and potassium chloride by
[SSC( )10 2 2013]
(a) sedimentation
(b) filtration
(c) sublimation
(d) distillation
12. A student by chance mixed acetone
with alcohol. The mixture of acetone
and alcohol can be separated by
(a) filtration
(b) separating funnel
(c) fractional crystallisation
(d) fractional distillation
13. When the milk is churned vigorously
the cream from it is separated out due
to [SSC (10 2) 2013]
(a) gravitational force
(b) frictional force
(c) centrifugal force
(d) centripetal force
14. Very small insoluble particles in a
liquid may be separated it by using
(a) crystallisation [CDS 2019]
(b) fractional distillation
(c) centrifugation
(d) decantation
15. Chromatography is based on which of
the following ?
(a) Different solubilities of different
substances in different medium.
(b) Same solubilities of different
substances in same medium.
(c) Different solubilities of different
substances in same medium.
(d) Both (a) and (b)
16. Which one of the following gemstones
contains beryllium metal ?
[Astt. Comm. 2018]
(a) Topaz (b) Emerald
(c) Ruby (d) Blue sapphire
17. Which one of the following is called Dry
Ice ? [NDA/NA 2018]
(a) Solid carbon dioxide
(b) Liquid carbon dioxide
(c) Liquid nitrogen
(d) Liquid ammonia
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