MCQ Questions | Class 7 Science Chapter 5 | Acids, Bases and Salts with Answers

MCQ | Acids, Bases and Salts Class 7

Check the below NCERT MCQ Questions for Class 7 Science Chapter 5 Acids, Bases and Salts with Answers Pdf free download. MCQ Questions for Class 7 Science with Answers were prepared based on the latest exam pattern. We have Provided Acids, Bases and Salts Class 7 Science MCQs Questions with Answers to help students understand the concept very well.

Objective Question | NCERT Science Class 7

NCERT Solutions Class 7 Science
Book:	National Council of Educational Research and Training (NCERT)
Board:	Central Board of Secondary Education (CBSE)
Class:	7th
Subject:	Science
Chapter:	5
Chapters Name:	Acids, Bases and Salts
Medium:	English

Ncert Solutions for Class 7 Science | Objective Type Questions

You can refer to NCERT Solutions for Class 7 Science Chapter 5 Acids, Bases and Salts to revise the concepts in the syllabus effectively and improve your chances of securing high marks in your board exams.

Acids, Bases and Salts | Class 7 Science | NCERT Solutions

Q1.	ncert science class 7 textbook pdf The nature of bases is
	A. acidic
	B. basic
	C. neutral
	D. all of these

Ans: basic

Q2.	cbse class 7 science book Which of the following feel soapy on touching?
	A. Acid
	B. Base
	C. Salt
	D. None of these

Ans: Base

Q3.	cbse class 7 science book pdf download Which of the following is a natural indicator?
	A. China rose petal
	B. Turmeric
	C. Litmus
	D. All of these

Ans: All of these

Q4.	cbse class 7 science chapter 5 The most commonly used natural indicator is
	A. turmeric
	B. beetroot
	C. China rose petal
	D. litmus

Ans: litmus

Q5.	cbse class 7 science notes pdf Out of these gases which one is used in fire extinguishers
	A. CO2
	B. SO2
	C. NO2
	D. H2S

Ans: CO2

Q6.	cbse science class 7 book Which of the following ion is responsible for the acidic nature of hydrochloric acid ?
	A. Hydrogen ion
	B. Hydroxide ion
	C. Chloride ion
	D. Hydrochloride ion

Ans: Hydrogen ion

Q7.	cbse science class 7 book pdf Acid present in soured curd is
	A. Lactic acid
	B. Acetic acid
	C. Tartaric acid
	D. Oxalic add

Ans: Lactic acid

Q8.	cbse science class 7 chapter 5 The correct way of making a solution of acid in water is to
	A. add water to acid
	B. add acid to water
	C. mix acid and water simultaneously
	D. add water to acid in a shallow container

Ans: add acid to water

Q9.	cbse science class 7 mcq Distilled water is:
	A. acidic
	B. basic
	C. neutral
	D. none of these

Ans: neutral

Q10.	cbse science class 7 question paper Which of the following is a strong Base?
	A. Copper hydroxide
	B. Sodium hydroxide
	C. Iron hydroxide
	D. Calcium oxide

Ans: Sodium hydroxide

Q11.	cbse science class 7 solutions Products of a neutralisation reaction are always:
	A. an acid and a base
	B. an acid and a salt
	C. a salt and water
	D. a salt and a base

Ans: a salt and water

Q12.	cbse science class 7 syllabus Ammonia that turns red litmus blue is:
	A. acidic
	B. basic
	C. neutral
	D. none of these

Ans: basic

Q13.	class 7 mcq Which one of the following salts is used for making detergent powder?
	A. Washing soda
	B. Potassium nitrate
	C. Sodium bicarbonate
	D. Common salt

Ans: Washing soda

Q14.	class 7 science book Turmeric is a natural indicator. On adding its paste to acid and base separately, which colours would be observed.
	A. Yellow in both acid and base
	B. Yellow in acid and red in base
	C. Pink in acid and yellow in base
	D. Red in acid and blue in base

Ans: Yellow in acid and red in base

Q15.	class 7 science book pdf An antacid tablet is given to a person when he suffers from:
	A. obesity
	B. acidity
	C. dog bite
	D. none of these

Ans: acidity

Q16.	class 7 science chapter 5 Acid present in cold drinks (soft drinks) is
	A. Carbonic acid
	B. Citric acid
	C. Tartaric acid
	D. Sulphuric acid

Ans: Carbonic acid

Q17.	class 7 science mcq Phenolphthalein is a synthetic indicator and its colours in acidic and basic solutions, respectively are:
	A. red and blue
	B. blue and red
	C. pink and colourless
	D. colourless and pink

Ans: colourless and pink

Q18.	class 7 science mcq online test Ant’s bite injects:
	A. acetic acid
	B. formic acid
	C. hydrochloric acid
	D. none of these

Ans: formic acid

Q19.	class 7 science notes Calcium hydroxide is found in
	A. window cleaner
	B. lime water
	C. soap
	D. lime juice

Ans: lime water

Q20.	mcq class 7 science chapter 5 On adding phenolphthalein indicator to a colourless solution, no change is observed. The nature of the solution may be
	A. acidic or basic
	B. basic
	C. acidic or neutral
	D. basic or neutral