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Asked: December 16, 2020In: Class 10 Science

A student added Zn granules to dil HCl and made following observations: – (I) The surface of Zn become black (ii) A colourless gas evolved which burns with pop/sound (iii) The solution remains colurless

NCERT Solutions for Class 10 Science Chapter 2 Important Board Questions Acids, Bases and Salts NCERT Books for Session 2022-2023 CBSE Board and UP Board Practical Based MCQ’s Questions No: 7

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Asked: December 16, 2020In: Class 10 Science

Dil HCl is added to sodium carbonate. It is observed that:-

NCERT Solutions for Class 10 Science Chapter 2 Important Board Questions Acids, Bases and Salts NCERT Books for Session 2022-2023 CBSE Board and UP Board Practical Based MCQ’s Questions No: 6

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Asked: December 16, 2020In: Class 10 Science

If we add some sodium carbonate in distilled water, the pH of solution will bea-

NCERT Solutions for Class 10 Science Chapter 2 Important Board Questions Acids, Bases and Salts NCERT Books for Session 2022-2023 CBSE Board and UP Board Practical Based MCQ’s Questions No: 5

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Asked: December 16, 2020In: Class 10 Science

Four student- ‘A’, ‘B’, ‘C’ and D measured pH value of water, lemon juice and sodium bicarbonate solution. The student who has expressed correct pH values in decreasing order.

NCERT Solutions for Class 10 Science Chapter 2 Important Board Questions Acids, Bases and Salts NCERT Books for Session 2022-2023 CBSE Board and UP Board Practical Based MCQ’s Questions No: 4

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Asked: December 16, 2020In: Class 10 Science

The colour obtained on pH paper for highly acid basic and neutral solutions are respectively.

NCERT Solutions for Class 10 Science Chapter 2 Important Board Questions Acids, Bases and Salts NCERT Books for Session 2022-2023 CBSE Board and UP Board Practical Based MCQ’s Questions No: 3

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Asked: December 16, 2020In: Class 10 Science

The correct method of finding the pH of solution is-

NCERT Solutions for Class 10 Science Chapter 2 Important Board Questions Acids, Bases and Salts NCERT Books for Session 2022-2023 CBSE Board and UP Board Practical Based MCQ’s Questions No: 2

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Asked: December 16, 2020In: Class 10 Science

On putting a drop of liquid on a pH paper a student observer a small patch of blue color on pH paper. The liquid is most probably-

NCERT Solutions for Class 10 Science Chapter 2 Important Board Questions Acids, Bases and Salts NCERT Books for Session 2022-2023 CBSE Board and UP Board Practical Based MCQ’s Questions No: 1

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Asked: December 15, 2020In: Class 10 Science

A compound x in aqueous solution turns red litmus solutions into blue identify ‘X’

NCERT Solutions for Class 10 Science Chapter 2 Important Board Questions Acids, Bases and Salts NCERT Books for Session 2022-2023 CBSE Board and UP Board Long Type Question Questions No: 2

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Asked: December 15, 2020In: Class 10 Science

To Protect tooth decay we are advised to brush our teeth regularly. The nature of tooth paste used is-

NCERT Solutions for Class 10 Science Chapter 2 Important Board Questions Acids, Bases and Salts NCERT Books for Session 2022-2023 CBSE Board and UP Board Long Type Question Questions No: 1

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Asked: December 14, 2020In: Class 10 Science

When an iron nail is placed in copper sulphate solution the observation are as follow –

NCERT Solutions for Class 1 Science Chapter 1 Important Board Questions Chemical Reactions and Equations NCERT Books for Session 2022-2023 CBSE Board and UP Board Practice Based MCQ’s Questions No: 4

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A student added Zn granules to dil HCl and made following observations: – (I) The surface of Zn become black (ii) A colourless gas evolved which burns with pop/sound (iii) The solution remains colurless

Dil HCl is added to sodium carbonate. It is observed that:-

If we add some sodium carbonate in distilled water, the pH of solution will bea-

Four student- ‘A’, ‘B’, ‘C’ and D measured pH value of water, lemon juice and sodium bicarbonate solution. The student who has expressed correct pH values in decreasing order.

The colour obtained on pH paper for highly acid basic and neutral solutions are respectively.

The correct method of finding the pH of solution is-

On putting a drop of liquid on a pH paper a student observer a small patch of blue color on pH paper. The liquid is most probably-

A compound x in aqueous solution turns red litmus solutions into blue identify ‘X’

To Protect tooth decay we are advised to brush our teeth regularly. The nature of tooth paste used is-

When an iron nail is placed in copper sulphate solution the observation are as follow –

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