MCQ Questions | Class 10 Science Chapter 2 | Acids, Bases and Salts with Answers

MCQ | Class 10 Science Chapter 2 | Acids, Bases and Salts Set A

Check the below NCERT MCQ Questions for Class 10 Science Chapter 2 Acids, Bases and Salts with Answers Pdf free download. MCQ Questions for Class 10 Science with Answers were prepared based on the latest exam pattern. We have Provided Acids, Bases and Salts Class 10 Science MCQs Questions with Answers to help students understand the concept very well.

Objective Question | Science Class 10 Chapter 2

NCERT Solutions Class 10 Science
Book:	National Council of Educational Research and Training (NCERT)
Board:	Central Board of Secondary Education (CBSE)
Class:	10th
Subject:	Science
Chapter:	2
Chapters Name:	Acids, Bases and Salts
Medium:	English

Class 10th Science Book | Objective Type Questions

You can refer to NCERT Solutions for Class 10 Science Chapter 2 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 10 Science | NCERT Solutions

Q1.	Assertion: Universal indicator gives green colour with distilled water. Reason: pH of distilled water is 7 and it is neutral and universal indicator gives green colour with neutral solution.
	A. Both A and R are true and R is the correct explanation of A.
	B. Both A and R are true but R is not the correct explanation of A.
	C. A is true but R is false.
	D. A is false but R is true.

Ans: Both A and R are true and R is the correct explanation of A.

Q2.	NaHCO, formed by reaction of
	A. NaOH + H₂CO₃
	B. NaCl + H₂CO₃
	C. Na₂CO₃ + HCl
	D. NaOH + Na₂CO₃

Ans: NaOH + H₂CO₃

Q3.	Calcium phosphate is present in tooth enamel. Its nature is
	A. basic
	B. acidic
	C. neutral
	D. amphoteric

Ans: basic

Q4.	An aqueous solution turns red litmus solution blue. Excess addition of which of the following solution would reverse the change?
	A. Baking power
	B. Lime
	C. Ammonium hydroxide solution
	D. Hydrochloric acid

Ans: Hydrochloric acid

Q5.	Egg shell is made up of
	A. CaCO₃
	B. CaO
	C. Ca(OH)₂
	D. CaCl₂

Ans: CaCO₃

Q6.	Which of the following is not a acidic salt?
	A. CuSO₄
	B. NH₄Cl
	C. FeCl₃
	D. CH₃COONa

Ans: CH₃COONa

Q7.	Which one of the following types of medicines is used for treating indigestion?
	A. Antibiotics
	B. Analgesic
	C. Antacid
	D. Antiseptic

Ans: Antacid

Q8.	Sodium hydroxide turns phenolphthalein solution
	A. pink
	B. yellow
	C. colourless
	D. orange

Ans: pink

Q9.	Sodium hydroxide is a
	A. weak base
	B. weak acid
	C. strong base
	D. strong acid

Ans: strong base

Q10.	Rain is called acid rain when its:
	A. pH falls below 7
	B. pH falls below 6
	C. pH falls below 5.6
	D. pH is above 7

Ans: pH falls below 5.6

Q11.	Tooth enamel is made up of
	A. calcium phosphate
	B. calcium carbonate
	C. calcium oxide
	D. potassium

Ans: calcium phosphate

Q12.	What is the pH range of human body?
	A. 7.0 – 7.8
	B. 7.2 – 8.0
	C. 7.0 – 8.4
	D. 7.2 – 8.4

Ans: 7.0 – 7.8

Q13.	A drop of liquid sample was put on the pH paper, paper turned blue. The liquid sample must be of
	A. Lemon Juice
	B. HCl
	C. Sodium bicarbonate
	D. Ethanoic acid.

Ans: Sodium bicarbonate

Q14.	Lime water reacts with chlorine to give
	A. bleaching powder
	B. baking powder
	C. baking soda
	D. washing soda

Ans: baking soda

Q15.	At what temperature is gypsum heated to form Plaster of Paris?
	A. 90°C
	B. 100°C
	C. 110°C
	D. 120°C

Ans: 100°C

Q16.	Na₂CO₃. 10H₂O is
	A. washing soda
	B. baking soda
	C. bleaching powder
	D. tartaric acid

Ans: washing soda

Q17.	Sodium carbonate is a basic salt because it is a salt of a
	A. strong acid and strong base
	B. weak acid and weak base
	C. strong acid and weak base
	D. weak acid and strong base

Ans: weak acid and strong base

Q18.	Tomato is a natural source of which acid?
	A. Acetic acid
	B. Citric acid
	C. Tartaric acid
	D. Oxalic acid

Ans: Oxalic acid

Q19.	Brine is an
	A. aqueous solution of sodium hydroxide
	B. aqueous solution of sodium carbonate
	C. aqueous solution of sodium chloride
	D. aqueous solution of sodium bicarbonate

Ans: aqueous solution of sodium chloride

Q20.	What is formed when zinc reacts with sodium hydroxide?
	A. Zinc hydroxide and sodium
	B. Sodium zincate and hydrogen gas
	C. Sodium zinc-oxide and hydrogen gas
	D. Sodium zincate and water