alleryStart learning →The valency of carbon is:
- 3
- 2
- 1
- 4
Show answer and solution
Correct answer: D. 4
Carbon is tetravalent — valency 4.
Indian Navy Pilot Carbon and its Compounds — practice questions
Explore 5 free Carbon and its Compounds questions in Indian Navy Pilot Science. Open each question or exercise to read its content, reference answers and available explanation.
Practise Carbon and its Compounds with Quill →Carbon and its Compounds questions and exercises with answers
Showing questions 1–5 of 5.
The valency of carbon is:Read the answer and worked solution →The functional group present in alcohols is:Read the answer and worked solution →The cleansing action of soap is due to the formation of spherical aggregates called:Read the answer and worked solution →Carbon forms bonds by:Read the answer and worked solution →Combustion of a hydrocarbon in plenty of oxygen produces:Read the answer and worked solution →
Worked practice questions
The functional group present in alcohols is:
- –OH (hydroxyl)
- –CO– (ketone)
- –CHO (aldehyde)
- –COOH (carboxyl)
Show answer and solution
Correct answer: A. –OH (hydroxyl)
Alcohols carry the hydroxyl (–OH) functional group.
The cleansing action of soap is due to the formation of spherical aggregates called:
- micelles
- isomers
- esters
- crystals
Show answer and solution
Correct answer: A. micelles
Soap molecules cluster into micelles, trapping oily dirt at the centre.
How to practise
- Choose a Carbon and its Compounds question and try to work out your answer.
- Open the question to check the correct answer and read its worked solution.
- Continue in the app for bite-sized lessons, explanations and review with Quill. You can start without creating an account.