PAPER - PEN TEST : 11

Author:Ravi Shankar Sharma, Subha Raghavan & Nidhi Sharma

Ravi Shankar Sharma Chemistry Solutions for Exercise - PAPER - PEN TEST : 11

Simple step-by-step solutions to PAPER - PEN TEST : 11 questions of Carbon and its Compounds from Concise Chemistry Part 2. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.

Questions from PAPER - PEN TEST : 11 with Hints & Solutions

MEDIUM
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 4 - Carbon and its Compounds>PAPER - PEN TEST : 11>Q 17

Why soap does not lather easily in hard water? Give reactions involved.

EASY
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 4 - Carbon and its Compounds>PAPER - PEN TEST : 11>Q 18

Define detergent.

EASY
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 4 - Carbon and its Compounds>PAPER - PEN TEST : 11>Q 19

Why detergents are better cleansing agents than soap?

MEDIUM
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 4 - Carbon and its Compounds>PAPER - PEN TEST : 11>Q 20

What are the two parts of detergents?

MEDIUM
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 4 - Carbon and its Compounds>PAPER - PEN TEST : 11>Q 21

Give any five advantages of detergents over soaps.

MEDIUM
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 4 - Carbon and its Compounds>PAPER - PEN TEST : 11>Q 22

Differentiate soaps and detergents.

EASY
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 4 - Carbon and its Compounds>PAPER - PEN TEST : 11>Q 23

What are the harmful effects of detergents?

EASY
10th CBSE
IMPORTANT
Concise Chemistry Part 2>Chapter 4 - Carbon and its Compounds>PAPER - PEN TEST : 11>Q 24

What is scum?