Class 10 Science

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

Learn Chemistry

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

Category: Class 10 Science

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?

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