Anita Paul, Seema Sinha, Karuni Subrahmanyam and, Deepika Parashari Solutions for Exercise 2: HOTS

Author:Anita Paul, Seema Sinha, Karuni Subrahmanyam & Deepika Parashari

Anita Paul Science Solutions for Exercise - Anita Paul, Seema Sinha, Karuni Subrahmanyam and, Deepika Parashari Solutions for Exercise 2: HOTS

Attempt the practice questions from Exercise 2: HOTS with hints and solutions to strengthen your understanding. New Science Spark Book 7 solutions are prepared by Experienced Embibe Experts.

Questions from Anita Paul, Seema Sinha, Karuni Subrahmanyam and, Deepika Parashari Solutions for Exercise 2: HOTS with Hints & Solutions

MEDIUM
7th CBSE
IMPORTANT
New Science Spark Book 7>Chapter 6 - Acids and Bases>HOTS>Q 1

Ritu was stung on her hand by a wasp. Her mother applied baking soda on it. There was no relief from pain and irritation. But when she applied vinegar, she felt relieved. Why? 

MEDIUM
7th CBSE
IMPORTANT
New Science Spark Book 7>Chapter 6 - Acids and Bases>HOTS>Q 2

Mr. Suresh took some antacids. This resulted in burping. Why? 

MEDIUM
7th CBSE
IMPORTANT
New Science Spark Book 7>Chapter 6 - Acids and Bases>HOTS>Q 3

Why is the Taj Mahal turning yellow? 

MEDIUM
7th CBSE
IMPORTANT
New Science Spark Book 7>Chapter 6 - Acids and Bases>HOTS>Q 4

A scientist visited a farmer's field and found the soil to be highly acidic. He suggested the farmer add ammonia-based fertilizers. Why?