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Asked: December 18, 2020In: Class 10 Science

Give reasons: Silver article becomes black after some time.

NCERT Solutions for Class 10 Science Chapter 3 Important Board Questions Metals and Non-Metals NCERT Books for Session 2022-2023 CBSE Board and UP Board Short Type Question Questions No: 11 Part: a

Chemistry Solution

Asked: December 18, 2020In: Class 10 Science

Sodium is lightly reactive metal. It can not be obtained with heating with carbon. Give reason for it. How sodium is obtained from sodium chloride.

NCERT Solutions for Class 10 Science Chapter 3 Important Board Questions Metals and Non-Metals NCERT Books for Session 2022-2023 CBSE Board and UP Board Short Type Question Questions No: 10

Chemistry Solution

Asked: December 18, 2020In: Class 10 Science

Define concentration of ore? Write ore of mercury and copper.

NCERT Solutions for Class 10 Science Chapter 3 Important Board Questions Metals and Non-Metals NCERT Books for Session 2022-2023 CBSE Board and UP Board Short Type Question Questions No: 9

Chemistry Solution

Asked: December 18, 2020In: Class 10 Science

A metal M is found in the form of sulphur M₂S, and is good conductor of electricity and is used in making wires. Identify the metal M and write the steps involved in extraction of this metal.

NCERT Solutions for Class 10 Science Chapter 3 Important Board Questions Metals and Non-Metals NCERT Books for Session 2022-2023 CBSE Board and UP Board Short Type Question Questions No: 8

Chemistry Solution

Asked: December 17, 2020In: Class 10 Science

Write chemical equation for followings: – Calcium metal reacts with water. Cinnabar metal Reacted in presence of air manganese dioxide is reacted with aluminum powder.

NCERT Solutions for Class 10 Science Chapter 3 Important Board Questions Metals and Non-Metals NCERT Books for Session 2022-2023 CBSE Board and UP Board Short Type Question Questions No: 13

Give reasons: Silver article becomes black after some time.

Sodium is lightly reactive metal. It can not be obtained with heating with carbon. Give reason for it. How sodium is obtained from sodium chloride.

Define concentration of ore? Write ore of mercury and copper.

A metal M is found in the form of sulphur M₂S, and is good conductor of electricity and is used in making wires. Identify the metal M and write the steps involved in extraction of this metal.

Write chemical equation for followings: – Calcium metal reacts with water. Cinnabar metal Reacted in presence of air manganese dioxide is reacted with aluminum powder.

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