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Acid,Bases and Salts

Equal lengths of magnesium ribbons are taken in test tubes A a

Science

Class 10

NCERT

Chapter 1: Chemical Reactions and Equations

34 questions

Chapter 2: Acid,Bases and Salts

39 questions

Five solutions

A, B, C, D

and

E

when tested with universal indicator showed pH as

4, 1, 11, 7

and

9

, respectively. Which solution is:
(b) strongly alkaline
(c) strongly acidic
(d) weakly acidic
(e) weakly alkaline
Arrange the pH in increasing order of hydrogen-ion concentration.

Equal lengths of magnesium ribbons are taken in test tubes

A

and

B

. Hydrochloric acid

(H Cl)

is added to test tube

A

, while acetic acid

(C H_{3} COO H)

is added to test tube

B

. Amount and concentration taken for both the acids are same. In which test tube will the fizzing occur more vigorously and why?

Fresh milk has a pH of

6

. How do you think the pH will change as it turns into curd? Explain your answer.

View all question

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Chapter 7: Control and Coordination

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11 questions

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12 questions

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Chapter 14: Sources of Energy

24 questions

Chapter 15: Our Environment

9 questions

Chapter 16: Sustainable Management of Natural Resources

7 questions

Question

Medium

Solving time: 3 mins

Equal lengths of magnesium ribbons are taken in test tubes $A$ and $B$ . Hydrochloric acid $(H Cl)$ is added to test tube $A$ , while acetic acid $(C H_{3} COO H)$ is added to test tube $B$ . Amount and concentration taken for both the acids are same. In which test tube will the fizzing occur more vigorously and why?

Views: 6,290 students

Updated on: Apr 28, 2023

Book:

Science (NCERT)

Found 4 tutors discussing this question

Daniel Discussed

Equal lengths of magnesium ribbons are taken in test tubes

A

and

B

. Hydrochloric acid

(H Cl)

is added to test tube

A

, while acetic acid

(C H_{3} COO H)

is added to test tube

B

. Amount and concentration taken for both the acids are same. In which test tube will the fizzing occur more vigorously and why?

11 mins ago

Discuss this question LIVE

11 mins ago

Text solutionVerified

Magnesium metal when reacts with an acid gives off hydrogen gas in the reaction. In test tube

A

fizzing occurs more vigorously because

H Cl

is stronger acid than acetic acid. Hence,

H Cl

liberates hydrogen gas more vigorously, which causes fizzing more vigorously.

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Practice more questions from Science (NCERT)

Five solutions

A, B, C, D

and

E

when tested with universal indicator showed pH as

4, 1, 11, 7

and

9

, respectively. Which solution is:
(b) strongly alkaline
(c) strongly acidic
(d) weakly acidic
(e) weakly alkaline
Arrange the pH in increasing order of hydrogen-ion concentration.

Equal lengths of magnesium ribbons are taken in test tubes

A

and

B

. Hydrochloric acid

(H Cl)

is added to test tube

A

, while acetic acid

(C H_{3} COO H)

is added to test tube

B

. Amount and concentration taken for both the acids are same. In which test tube will the fizzing occur more vigorously and why?

Fresh milk has a pH of

6

. How do you think the pH will change as it turns into curd? Explain your answer.

View all

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Question Text	Equal lengths of magnesium ribbons are taken in test tubes $A$ and $B$ . Hydrochloric acid $(H Cl)$ is added to test tube $A$ , while acetic acid $(C H_{3} COO H)$ is added to test tube $B$ . Amount and concentration taken for both the acids are same. In which test tube will the fizzing occur more vigorously and why?
Updated On	Apr 28, 2023
Topic	Acid,Bases and Salts
Subject	Science
Class	Class 10
Answer Type	Text solution:1 Video solution: 8
Upvotes	771
Avg. Video Duration	8 min

Text solutionVerified

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Equal lengths of magnesium ribbons are taken in test tubes A and B. Hydrochloric acid (HCl) is added to test tube A, while acetic acid (CH3​COOH) is added to test tube B. Amount and concentration taken for both the acids are same. In which test tube will the fizzing occur more vigorously and why?

Text solutionVerified

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