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Asked: December 16, 2020In: Class 10 Science

Hold one moist and one dry strip of blue litmus paper over dry HCL acid gas. Which strips will turn red and why?

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 Three Marks Questions Questions No: 2

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Asked: December 16, 2020In: Class 10 Science

Why does bleaching powder smell strongly of chlorine and does not dissolve completely in water.

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 Three Marks Questions Questions No: 1

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Asked: December 16, 2020In: Class 10 Science

A white coloured powder is used by the doctors for supporting fractured bones- (I) It is plastic of Paris. (II) It is Gypsum.

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 Assertion Reasoning Based Questions Questions No: 2

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Asked: December 16, 2020In: Class 10 Science

A gas is produced when cone H₂S₄O is added to solid sodium chloride taken is a test-tube. The gas coming out through the delivery tube is passed over a dry blue litmus paper. (I.) Blue colour of litmus changes into Red (II.) Blue colour of litmus does not change into

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 Assertion Reasoning Based Questions Questions No: 1

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Asked: December 16, 2020In: Class 10 Science

Indicate with the help of diagram the variation of pH with change in concentration of H⁺(aq) and OH⁻(aq) ions.

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 Three Marks Questions Questions No: 14

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Asked: December 16, 2020In: Class 10 Science

While constructing a house, a builder selects marble flooring and marble table tops for the kitchen where vinegar and juice of lemon, tamarind etc. are more often used for cooking. Will you agree to this selection and why?

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 Three Marks Questions Questions No: 13

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Asked: December 16, 2020In: Class 10 Science

How are bases different from alkalis? Are all bases alkalis?

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 Three Marks Questions Questions No: 12

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Asked: December 16, 2020In: Class 10 Science

On passing excess co₂ through lime water it first turns milky and then becomes colourless. explain why? Write chemical equation.

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 Three Marks Questions Questions No: 11

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Asked: December 16, 2020In: Class 10 Science

Why pickles and curd are not stored in copper and brass utensils?

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 Three Marks Questions Questions No: 10

Learn Chemistry

Asked: December 16, 2020In: Class 10 Science

What is the reaction called when an acid reacts with base to produce salt and water? give example also.

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 Three Marks Questions Questions No: 9

Learn Chemistry

Hold one moist and one dry strip of blue litmus paper over dry HCL acid gas. Which strips will turn red and why?

Why does bleaching powder smell strongly of chlorine and does not dissolve completely in water.

A white coloured powder is used by the doctors for supporting fractured bones- (I) It is plastic of Paris. (II) It is Gypsum.

A gas is produced when cone H₂S₄O is added to solid sodium chloride taken is a test-tube. The gas coming out through the delivery tube is passed over a dry blue litmus paper. (I.) Blue colour of litmus changes into Red (II.) Blue colour of litmus does not change into

Indicate with the help of diagram the variation of pH with change in concentration of H⁺(aq) and OH⁻(aq) ions.

While constructing a house, a builder selects marble flooring and marble table tops for the kitchen where vinegar and juice of lemon, tamarind etc. are more often used for cooking. Will you agree to this selection and why?

How are bases different from alkalis? Are all bases alkalis?

On passing excess co₂ through lime water it first turns milky and then becomes colourless. explain why? Write chemical equation.

Why pickles and curd are not stored in copper and brass utensils?

What is the reaction called when an acid reacts with base to produce salt and water? give example also.

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