This study material consists of NCERT solutions class 7 Science Chapter 5 Acids, Bases and Salts and will help you in your exam preparation.

25 сент. 2019 г. · Q.8.Explain why: (a) An antacid tablet is taken when you suffer from acidity. (b) Calamine solution is applied on the skin when an ant bites ...

Study Important Questions for Class 7 Science Chapter 5 – Physical and Chemical Changes. Very Short Answer Questions (1 Mark). 1. Identify the following changes ...

NCERT Solutions for Class 7 Science Chapter 5 Physical and Chemical Changes · NCERT Solutions for Class 7 Science Chapter 5 Question Answers - FREE PDF Download.

Important Questions Class 7 Science Chapter 5 consists of all types of questions, including MCQs, short and medium-format questions and answers, CBSE extra ...

Short Extra Questions and Answers. 1. What are the effects of acid rain? Answer: Acid rain can cause damage to buildings, historical monuments, plants and ...

Very Short Answer Type Questions. Q1. Name any three strong acids. Answer: Sulphuric acid, Nitric acid and hydrochloric acid are strong acids. Q2. Name ...

7 июн. 2019 г. · Question 1. What is the test for acids and bases using litmus paper? Answer: Acids turn blue litmus paper red while bases turn red litmus paper blue.

What is the color of litmus in a solution of ammonium hydroxide? Ans: Red litmus turns black in solution of ammonium hydroxide. Short Type Questions Answer. Q.

NCERT Class 7 Science Chapter 5 Questions and Answers · 1. State differences between acids and bases. · Acids Bases · 2. Ammonia is found in many house hold ...