Class 10 Science

Asked: December 18, 2020In: Class 10 Science

Explain any two ways to prevent rusting of iron.

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 Long Type Question Questions No: 4

Chemistry Solution

Asked: December 18, 2020In: Class 10 Science

What is an alloy? Name the alloy which has iron, nickel and chromium as its constituent. What is the chief use of this alloy?

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 Long Type Question Questions No: 3

Chemistry Solution

Asked: December 18, 2020In: Class 10 Science

Differentiate between roasting and calcinations process in metallurgy.

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 Long Type Question Questions No: 2

Chemistry Solution

Asked: December 18, 2020In: Class 10 Science

What is the difference between a mineral and an ore?

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 Long Type Question Questions No: 1

Chemistry Solution

Asked: December 18, 2020In: Class 10 Science

What are alloys? List two properties of alloys.

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: 14

Chemistry Solution

Asked: December 18, 2020In: Class 10 Science

Give reasons: Zn can desplace copper from CuSO₄ solution colour of solution in four test tubes ore green, yellow, blue and colourless. Which has ZnSO₄ solution?

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: b

Chemistry Solution

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

Category: Class 10 Science

Explain any two ways to prevent rusting of iron.

What is an alloy? Name the alloy which has iron, nickel and chromium as its constituent. What is the chief use of this alloy?

Differentiate between roasting and calcinations process in metallurgy.

What is the difference between a mineral and an ore?

What are alloys? List two properties of alloys.

Give reasons: Zn can desplace copper from CuSO₄ solution colour of solution in four test tubes ore green, yellow, blue and colourless. Which has ZnSO₄ solution?

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.

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