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10th CBSE
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The number of covalent bonds in pentane (molecular formula C5H12) is:

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Important Questions on Carbon And its Compounds

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10th CBSE
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Science for Tenth Class Part - 2 Chemistry>Chapter 4 - Carbon And its Compounds>Multiple Choice Questions (MCQs)>Q 43
The property of self-combination of the atoms of the same element to form long chains is known as:
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Science for Tenth Class Part - 2 Chemistry>Chapter 4 - Carbon And its Compounds>Multiple Choice Questions (MCQs)>Q 44
A cyclic hydrocarbon having carbon-carbon single bonds as well as carbon-carbon double bonds in its molecule is:
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10th CBSE
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Science for Tenth Class Part - 2 Chemistry>Chapter 4 - Carbon And its Compounds>Multiple Choice Questions (MCQs)>Q 45
The hydrocarbon 2-methylbutane is an isomer of:
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Science for Tenth Class Part - 2 Chemistry>Chapter 4 - Carbon And its Compounds>Multiple Choice Questions (MCQs)>Q 46
An unsaturated hydrocarbon having a triple covalent bond has 50 hydrogen atoms in its molecule. The number of carbon atoms in its molecule will be:
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10th CBSE
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Science for Tenth Class Part - 2 Chemistry>Chapter 4 - Carbon And its Compounds>Multiple Choice Questions (MCQs)>Q 47
An alkyne has seventy five carbon atoms in its molecule. The number of hydrogen atoms in its molecule will be:
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10th CBSE
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Science for Tenth Class Part - 2 Chemistry>Chapter 4 - Carbon And its Compounds>Multiple Choice Questions (MCQs)>Q 48
A diamond-toothed saw is usually used for cutting:
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10th CBSE
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Science for Tenth Class Part - 2 Chemistry>Chapter 4 - Carbon And its Compounds>Multiple Choice Questions (MCQs)>Q 49
The organic compound prepared by Wohler from an inorganic compound called ammonium cyanate was:
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10th CBSE
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Science for Tenth Class Part - 2 Chemistry>Chapter 4 - Carbon And its Compounds>Multiple Choice Questions (MCQs)>Q 50
One of the following is not an allotrope of carbon. This is: