Sign up

Teacher tutorials

Subject updates

Terms and Conditions

PDF chapter test TRY NOW

Subjects
Science State Board
Class 10
Carbon and its compounds
Textbook questions

2. Choose the correct answer II

Exercise condition:

4 m.

1. Rectified spirit is an aqueous solution which contains about __________ of ethanol.

55.5 %
45.5 %
95.5 %
75.5 %

2. Which of the following are used as anaesthetics?

Carboxylic acids
Esters
Aldehydes
Ethers

3. TFM in soaps represents __________ content in soap.

carbohydrate
fatty acid
vitamin
mineral

4. Which of the following statements is wrong about detergents?

The ionic part in a detergent is -\(SO_3{^-}Na^+\)
It is effective even in hard water.
It is a sodium salt of long chain fatty acids
It is sodium salts of sulphonic acids

Login or Fast registration

Previous exercise

Exit to the topic

Did you find an error?

Register for free to see more content

Register for free to see more content

Copyright © 2025 YaClass Tech Private Limited Contacts Terms and Conditions Privacy Policy