MEDIUM
10th CBSE
IMPORTANT
Earn 100

Which of the following will not give addition reactions and why?

Propane, propyne, propene, benzene.

Important Questions on Carbon and Its Compounds

HARD
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 4 - Carbon and Its Compounds>Check Your Progress>Q 1
What is esterification? Give an example. 
HARD
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 4 - Carbon and Its Compounds>Check Your Progress>Q 2
 What happens when ethyl alcohol is treated with K2Cr2O7 and H2SO4?
EASY
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 4 - Carbon and Its Compounds>Check Your Progress>Q 3
Mention two uses of ethanoic acid.
MEDIUM
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 4 - Carbon and Its Compounds>Check Your Progress>Q 4
What is the danger of drinking ethyl alcohol by youngsters?
MEDIUM
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 4 - Carbon and Its Compounds>Check Your Progress>Q 5
What happens when a mixture of ethyl alcohol, acetic acid and concentrated H2SO4 is heated?
EASY
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 4 - Carbon and Its Compounds>Check Your Progress>Q 1
What change will you observe if you test soap with litmus paper (red and blue)?
MEDIUM
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 4 - Carbon and Its Compounds>Check Your Progress>Q 2
 Would you be able to check if water is hard by using a detergent?
HARD
10th CBSE
IMPORTANT
PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 4 - Carbon and Its Compounds>Check Your Progress>Q 3
People use various methods to wash clothes. Usually after adding the soap, they 'beat' the clothes on a 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?