Carbon and its Compounds Part-1
NCERT solutions for Class 10 Science Carbon and its Compounds

NCERT Class 10 Science Chapter wise Solutions
- Chemical Reactions and Equations
- Acids, Bases and Salts
- Metals and Non-metals
- Carbon and Its Compounds
- Periodic Classification of Elements
- Life Processes
- Control and Coordination
- How do Organisms Reproduce?
- Heredity and Evolution
- Light Reflection and Refraction
- Human Eye and Colourful World
- Electricity
- Magnetic Effects of Electric Current
- Sources of Energy
- Our Environment
- Management of Natural Resources
NCERT Solutions for Class 10 Science Carbon and its Compounds Part 1
1. What would be the electron dot structure of carbon dioxide which has the formula of CO2?
Ans.

2. What would be the electron dot structure of a molecule of sulphur which is made up of eight atoms of sulphur?
Ans.

1. How many structural isomers can you draw for pentane?
Ans. The isomers are as under:

2. What are two properties of carbon which lead to the huge number of carbon compounds we see around us?
Ans. The two properties are:
(a) catenation- the ability to form bonds with other atoms of carbon.
(b) Tetravalancy of carbon.
NCERT Solutions for Class 10 Science Carbon and its Compounds Part 1
3. What will be the formula and electron dot structure for cyclopentane?
Ans. Formula of cyclopentane is C5H10. The electron dot structure cyclcopente is:

4. Draw the structure for the following compounds:
(i) Ethanoic acid
(ii) Bromopentane
(iii) Butane
(iv) Hexanal
Ans. Structure of compounds are given as under:
(i) Ethanoic acid 
(ii) Bromopentane 
(iii) Butanone 
(iv) Hexanal 
5. How would you name the following compounds?

Ans.(i) Bromomethane
(ii) Hexyne
1. Would you be able to check if water is hard by using a detergent?
Ans. No, we would be able to check if water is hard by using a detergent.
2. People use a variety of methods to wash clothes. Usually after adding the soap, they beat the clothes on stone, or beat it with a paddle, scrub with a brush or the mixture is agitated in a washing machine. Why is agitation necessary to get clean clothes?
Ans. Agitation is necessary to obtain complete mecells formation and the emulsion of oil in water so that the whole of dirt is removed on rinsing with water.