Mention two uses of ethanoic acid.

Important Questions on Carbon and Its Compounds

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 ${\mathrm{H}}_2{\mathrm{SO}}_4$ 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?

HARD

10th CBSE

IMPORTANT

PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 4 - Carbon and Its Compounds>Check Your Progress>Q 1

Which is the ionic and non-ionic part in sodium stearate soap ${\mathrm{C}}_{17}{\mathrm{H}}_{35}\mathrm{COONa}$?

HARD

10th CBSE

IMPORTANT

PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 4 - Carbon and Its Compounds>Check Your Progress>Q 2

Describe the cleansing mechanism of soap or detergents?

MEDIUM

10th CBSE

IMPORTANT

PRACHI SCIENCE CHEMISTRY CLASS-X>Chapter 4 - Carbon and Its Compounds>Check Your Progress>Q 3

How can detergents be used for washing in hard water?