Subject Experts Solutions for Chapter: Acids, Bases and Salts, Exercise 4: HOTS AND VALUE BASED QUESTIONS

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Subject Experts Science Solutions for Exercise - Subject Experts Solutions for Chapter: Acids, Bases and Salts, Exercise 4: HOTS AND VALUE BASED QUESTIONS

Attempt the practice questions on Chapter 5: Acids, Bases and Salts, Exercise 4: HOTS AND VALUE BASED QUESTIONS with hints and solutions to strengthen your understanding. Exam Guru Science solutions are prepared by Experienced Embibe Experts.

Questions from Subject Experts Solutions for Chapter: Acids, Bases and Salts, Exercise 4: HOTS AND VALUE BASED QUESTIONS with Hints & Solutions

MEDIUM
7th CBSE
IMPORTANT

If you get a turmeric stain on your clothes while eating food and try to wash it with soap, the stain becomes red. Why?

MEDIUM
7th CBSE
IMPORTANT

Why do farmers need to treat the soil of their fields with slaked lime before sowing the seeds?

MEDIUM
7th CBSE
IMPORTANT

Three liquids are given to you. One is Hydrochloric acid another is sodium hydroxide and third is a sugar solution. How will you identify them? You have China rose as an indicator to use.

MEDIUM
7th CBSE
IMPORTANT

Recent news in TV’s and newspapers stirred up the entire nation, where a college-going girl was attacked with acid and developed severe burn injuries leading to deformity of her face. Sunita, a class 9 student, understanding the need of the hour, gathered a few of her friends and started spreading awareness, and many joined her in this rare good cause: Which qualities does Sunita possess? List the characteristics of acids.

MEDIUM
7th CBSE
IMPORTANT

A recent news in TV’s and newspapers stirred up the entire nation, where a college going girl was attacked with acid and developed severe burn injuries leading to deformity of her face. Sunita, a class 9 student, understanding the need of the hour, gathered a few of her friends and started spreading awareness, and many joined her in this rare good cause: List the characteristics of acids.

MEDIUM
7th CBSE
IMPORTANT

Annie is playing in her garden with her friend Ishrat. Suddenly, a bee bites Ishrat. Annie immediately brings baking soda and rubs it on the sting area. Why does Annie apply baking soda?
 

MEDIUM
7th CBSE
IMPORTANT

Annie is playing in her garden with her friend Ishrat. Suddenly, a bee bites Ishrat. Annie immediately brings baking soda and rubs it on the sting area. What value can you learn from Annie?