Questions on States of Matter Class 11. We covered all the Questions on States of Matter Class 11 in this post for free so that you can practice well for the exam.
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Mock Test on States of Matter for Class 11 Students
Which one of the following gemstones contains beryllium metal?
(a) Topaz
(b) Emerald
(c) Ruby
(d) Blue sapphire
Option b – Emerald
Which one of the following is called Dry Ice?
(a) Solid carbon dioxide
(b) Liquid carbon dioxide
(c) Liquid nitrogen
(d) Liquid ammonia
Option a – Solid carbon dioxide
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
Option d – fractional distillation
When the milk is churned vigorously the cream from it is separated out due to
(a) gravitational force
(b) frictional force
(c) centrifugal force
(d) centripetal force
Option c – entrifugal force
Very small insoluble particles in a liquid may be separated by using
(a) crystallisation
(b) fractional distillation
(c) centrifugation
(d) decantation
Option d – decantation
Chromatography is based on which of the following?
(a) Different solubilities of different substances in different mediums.
(b) Same solubilities of different substances in the same medium.
(c) Different solubilities of different substances in the same medium.
(d) Both (a) and (b)
Option c – Different solubilities of different substances in the same medium
Glasses and plastics are
(a) amorphous solids
(b) supercooled liquids
(c) Both (a) and (b)
(d) None of the above
Option c – Both (a) and (b)
Quartz is extensively used as a piezo-electric material. It contains
(a) Hg
(b) Si
(c) Ti
(d) Sn
Option b – Si
Silica in amorphous form is used in
(a) photovoltaic cells
(b) conductivity cells
(c) standard hydrogen electrodes
(d) None of the above
Option a – photovoltaic cells
Which one of the following statements is not correct?
(a) All carbons in diamonds are linked by a carbon-carbon single bond.
(b) Graphite is a layered structure in which layers are held together by weak Vander Waal’s forces.
(c) Graphite layers are formed by hexagonal rings of carbon atoms.
(d) Graphite layers are held together by a carbon-carbon single bond.
Option d – Graphite layers are held together by a carbon-carbon single bond
Which one of the following is not true for the form of carbon known as a diamond?
(a) It is harder than graphite.
(b) It contains the same percentage of carbon as graphite.
(c) It is a better electric conductor than graphite.
(d) It has different carbon-to-carbon distances in all directions.
Option c – It is a better electric conductor than graphite
Amorphous materials are in fact considered as
(a) supercooled liquids
(b) supercooled solids
(c) covalent networks
(d) molecular crystals
Option a – supercooled liquids
Which of the following is used to remove the green colour from glass?
(a) Silicon dioxide
(b) Titanium dioxide to s
(c) Sulphur dioxide
(d) Manganese dioxide
Option d – Manganese dioxide
At very low temperatures, oxygen 0₂, freezes and forms a crystalline solid, which term best describes the solids?
(a) Covalent network
(b) Molecular crystals
(c) Metallic
(d) ionic
Option b – Molecular crystals
A molecule of a substance is similar to its atom for
(a) diatomic molecule
(b) polyatomic molecule
(c) monoatomic molecule
(d) triatomic molecule
Option c – monoatomic molecule
Which one of the following is mono-atomic?
(a) Hydrogen
(b) Sulphur
(c) Phosphorus
(d) Helium
Option d – Helium
Which one of the following is not a monoatomic element?
(a) Copper
(b) Helium
(c) lodine
(d) Barium
Option c – Iodine
……… are homogeneous mixtures of two or more components.
(a) Amalgams
(b) Solutions
(c) Enzymes
(d) Emulsions
Option b – Solutions
Statement I All compounds contain more than one element. Statement II All compounds are heterogeneous mixtures. Codes
(a) Both the statements are individually true and statement II is the correct explanation of statement I.
(b) Both statements are individually true but statement II is not the correct explanation of statement I.
(c) Statement I is true, but statement II is false.
(d) Statement I is false, but statement II is true.
Option c – Statement I is true, but statement II is false
lodine can be separated from a mixture of iodine and potassium chloride by
(a) sedimentation
(b) filtration
(c) sublimation
(d) distillation
Option c – sublimation
The latest discovered state of matter is
(a) solid
(b) Bose-Einstein condensate
(c) plasma
(d) liquid
Option b – Bose-Einstein condensate
Bose-Einstein condensate is a
(b) the fifth state of matter
(c) plasma
(d) state of condensed matter
Option b – the fifth state of matter
Matter around us can exist in three different states, namely, solid, liquid and gas. The correct order of their compressibility is
(a) Liquid < Gas < Solid
(b) Solid < Liquid < Gas
(c) Gas < Liquid < Solid
(d) Solid< Gas < Liquid
Option b – Solid
Which one of the following statements is incorrect?
(a) The measurable unit of pressure is denoted in metres.
(b) The matter is made up of small particles.
(c) Evaporation causes cooling.
(d) Brass is a mixture of 30% zinc and 70% copper.
Option a – The measurable unit of pressure is denoted in metres
Consider the following statements about the mixture? I. A substance can be separated into other kinds of matter by any physical process. 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
Option b – Only II
We covered all the questions on states of matter class 11 above in this post for free so that you can practice well for the exam.
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