MCQ Question of Science class 10 chapter 4 Carbon and it's compounds with Answers
Here we have given the mcq of class 10 science chapter 4 Carbon and it's compounds According the latest pattern of CBSE.These questions are prepared according to the Term 2 examination of 2022 of CBSE.
Here you can get the best and new mcq questions of class 10 which can help you to score good marks in your board exams.
Carbon and its compounds class 10 mcq with answers
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Multiple Choice Questions Of Carbon and it's compounds class 10
Question:1.
Which one of the following properties is not generally exhibited by ionic compounds?
(1) Solubility in water
(2) High melting and boiling points
(3) Electrical conductivity in molten state
(4) Electrical conductivity in solid state
Answer:(4) Electrical conductivity in solid state
Question:2.
Carbon exists in the atmosphere in the form of
(1) carbon monoxide only
(2) carbon monoxide in trace amount and carbon dioxide
(3) carbon dioxide only
(4) coal
Answer:(2) carbon monoxide in trace amount and carbon dioxide
Question:3.
The number of C-H bonds in ethane (C₂H6) molecule are
(1) Four
(2) Six
(3) Eight
(4) Ten
Answer:(2) Six
Question:4.
Which of the following statements are usually correct for carbon compounds? These
(a) are good conductors of electricity.
(b) are poor conductors of electricity.
(c) have strong forces of attraction between their molecules.
(d) do not have strong forces of attraction between their molecules.
(1) (a) and (c)
(2) (b) and (c)
(3) (a) and (d)
(4) (b) and (d)
Answer:(4) (b) and (d)
Question:5.
Carbon forms four covalent bonds by sharing its four valence electrons with four univalent atoms, e.g. hydrogen. After the formation of four bonds, carbon attains the electronic configuration of
(1) Helium
(2) Neon
(3) Argon
(4) Krypton
Answer:(2) Neon
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Question:6.
A covalent bond is formed when
(1) combining atoms share the electron pairs.
(2) combining atoms are attracted by each other.
(3) the ions of the combining atoms are attracted by electrostatic force of attraction.
(4) one atom donates a pair of electrons to another atom.
Answer:(1) combining atoms share the electron pairs.
Question:7.
Which of the following statement is correct?
(1) Covalent compounds have strong bonds within the molecules but weak inter molecular forces of attraction.
(2) Covalent compounds have weak bonds within the molecules but strong intermolecular forces of attraction.
(3) Covalent compounds have weak bonds within the molecules and weak intermolecular forces of attraction.
(4) Covalent compounds have strong bond within the molecules and strong intermolecular forces of attraction.
Answer:(1) Covalent compounds have strong bonds within the molecules but weak inter molecular forces of attraction.
Answer:8- 3
Answer:9-1
Answer:10-1
Answer:11-4
Answer:12-3
Question:13.
Graphite is a soft lubricant, extremely difficult to melt. The reason for this anomalous behaviour is that, graphite
(1) has carbon atoms arranged in large plates of rings of strongly bound carbon atoms with weak interplate bonds
(2) is a non-crystalline substance
(3) is an allotropic form of carbon
(4) has only single bonds between carbon atoms
Answer:(1) has carbon atoms arranged in large plates of rings of strongly bound carbon atoms with weak interplate bonds
Question:14.
Buckminster fullerene is an allotropic form of
(1) Phosphorus
(2) Sulphur
(3) Carbon
(4) Tin
Answer:(3) Carbon
Question:15.
In graphite, carbon atoms are arranged in which pattern?
(1) Pentagonal
(2) Hexagonal
(3) Trigonal
(4) Tetragonal
Answer:(2) Hexagonal
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Question:16.
Catenation is
(1) formation of double bond between carbon atoms
(2) linking of carbon atoms with atoms of other elements
(3)indefinite linking of carbon atoms
(4)the formation of four covalent bonds by a carbon atom
Answer:(3)indefinite linking of carbon atoms
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