NCERT Solutions for class 10 Science chapter 4 : Carbon and its Compounds

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NCERT Solutions for class 10 science chapter 4 Carbon and its Compounds are provided in this article. Some of the important topics in this chapter include:

Expected no of questions: 2 to 3 questions for a total of 5 marks

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NCERT Solutions for Class 10 Science Chapter 4

NCERT Solutions for Class 10 Science Chapter 4 Carbon and its Compounds is given below.

Class 10 Science Chapter 4 Carbon and its Compounds

Carbon is one of the fundamental constituent elements in all living organisms. Some of the properties of Carbon includes:

The symbol of carbon is C and its atomic number is 6.
The atomic mass of carbon is 12.
Carbon takes four electrons to make a covalent bond.
Through catenation, Carbon can quickly form bonds with other atoms and give rise to large molecules.
Carbon bonds with hydrogen to form hydrocarbons which form the basis for organic chemistry,
Carbon constitutes the phenomenon of Allotropy.

Allotropes of Carbon: Allotropy is the phenomenon where two elements exist with two or more different physical states but similar chemical properties. Allotropes of carbon include Diamond, Graphite and Fullerene.

Classification of Carbon Compounds: Carbon compounds are classified into saturated and unsaturated carbon compounds.

Compounds formed by a single bond between two elements are called saturated compounds.
Compounds formed by double or triple bonds are unsaturated carbon compounds.

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CBSE X Related Questions

1.
Sex is determined by different factors in various species. However, in human beings, it is determined genetically. Which amongst the following option(s) is/are correct for human beings ?
Gamete carrying X chromosome from female parent.
Gamete carrying X chromosome from male parent.
Gamete carrying Y chromosome from male parent.
- (ii) and (iii)
- (i) only
- (i) and (iii)
- (iii) only
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2.
Identify the part that controls the closing and opening of the stomatal pore in leaves of plants. Select the correct option.
- Stomata
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- Chloroplasts
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3.
When an element 'X' reacts with water, it starts floating. Identify the element 'X':
- Potassium
- Calcium
- Sodium
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4.
Assertion (A): Reflex actions do not involve thinking.
Reason (R): Most reflex actions are controlled by the spinal cord.
- Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
- Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
- Assertion (A) is true, but Reason (R) is false.
- Assertion (A) is false, but Reason (R) is true.
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5.
(a) Study the given electric circuit in which 2 A electric current is flowing between points X and Y.

(i) Using the battery, key, voltmeter and ammeter in this given electric circuit, redraw a circuit diagram in which 2 \(\Omega\) and 4 \(\Omega\) resistors are connected between X and Y in parallel combination.
(ii) Circuit drawn by you, in which resistors are connected in parallel combination, calculate the electric current flowing through 4 \(\Omega\) resistor.
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6.
Give one example each of electrolytic decomposition and decomposition by sunlight.
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