S. Chand's SCIENCE For Class VII>Chapter 5 - Acids, Bases and Salts>H-O-T-S Questions

B K Gowel and Sangeeta Solutions for Chapter: Acids, Bases and Salts, Exercise 9: H-O-T-S Questions

Author:B K Gowel & Sangeeta

B K Gowel Science Solutions for Exercise - B K Gowel and Sangeeta Solutions for Chapter: Acids, Bases and Salts, Exercise 9: H-O-T-S Questions

Attempt the free practice questions on Chapter 5: Acids, Bases and Salts, Exercise 9: H-O-T-S Questions with hints and solutions to strengthen your understanding. S. Chand's SCIENCE For Class VII solutions are prepared by Experienced Embibe Experts.

Questions from B K Gowel and Sangeeta Solutions for Chapter: Acids, Bases and Salts, Exercise 9: H-O-T-S Questions with Hints & Solutions

HARD

7th CBSE

IMPORTANT

S. Chand's SCIENCE For Class VII>Chapter 5 - Acids, Bases and Salts>H-O-T-S Questions>Q 1

Why do we not store pickles, especially of lemon and mango, in metallic containers?

HARD

7th CBSE

IMPORTANT

S. Chand's SCIENCE For Class VII>Chapter 5 - Acids, Bases and Salts>H-O-T-S Questions>Q 2

Acid wastes from factories when allowed to flow into rivers or other water bodies results in the death of vegetation, fish and other animals. Should the acid not be neutralised before it is drained into the water bodies.