Class 10

Ekan khan

Asked: October 19, 2020In: Class 10

Explain the meanings of malleable and ductile.

NCERT Solution for Class 10 Science Chapter 3 Metals and Non-metals CBSE NCERT Book Session-2022-2023 Intext Questions Page No-40 Questions No-2

Ekan khan

Asked: October 19, 2020In: Class 10

Why is sodium kept immersed in kerosene oil?

NCERT Solution for Class Tenth Science Chapter 3 Metals and Non-metals CBSE NCERT Book Session-2022-2023 Intext Questions Page No-46 Questions No-1

Ekan khan

Asked: October 19, 2020In: Class 10

Write equations for the reactions of (i) iron with steam (ii) calcium and potassium with water.

NCERT Solution for Class Tenth Science Chapter 3 Metals and Non-metals CBSE NCERT Book Session-2022-2023 Intext Questions Page No-46 Questions No-2

Ekan khan

Asked: October 19, 2020In: Class 10

Which gas is produced when dilute hydrochloric acid is added to a reactive metal? Write the chemical reaction when iron reacts with dilute H2SO4.

NCERT Solution for Class Tenth Science Chapter 3 Metals and Non-metals CBSE NCERT Book Session-2022-2023 Intext Questions Page No-46 Questions No-4

Ekan khan

Asked: October 19, 2020In: Class 10

What would you observe when zinc is added to a solution of iron(II) sulphate? Write the chemical reaction that takes place.

NCERT Solution for Class Tenth Science Chapter 3 Metals and Non-metals CBSE NCERT Book Session-2022-2023 Intext Questions Page No-46 Questions No-5

Ekan khan

Asked: October 19, 2020In: Class 10

Write the electron-dot structures for sodium, oxygen and magnesium.

NCERT Solution for Class Tenth Science Chapter 3 Metals and Non-metals CBSE NCERT Book Session-2022-2023 Intext Questions Page No-49 Questions No-1 (i) Write the electron-dot structures for sodium, oxygen and magnesium. (ii) Show the formation of Na2O and MgO by the ...

Ekan khan

Asked: October 19, 2020In: Class 10

Why do ionic compounds have high melting points?

NCERT Solution for Class Tenth Science Chapter 3 Metals and Non-metals CBSE NCERT Book Session-2022-2023 Intext Questions Page No-49 Questions No-2

Ekan khan

Asked: October 19, 2020In: Class 10

Define the following terms.

NCERT Solution for Class Tenth Science Chapter 3 Metals and Non-metals CBSE NCERT Book Session-2022-2023 Intext Questions Page No-53 Questions No-1 (i) Mineral (ii) Ore (iii) Gangue

Ekan khan

Asked: October 19, 2020In: Class 10

Name two metals which are found in nature in the free state.

NCERT Solution for Class Tenth Science Chapter 3 Metals and Non-metals CBSE NCERT Book Session-2022-2023 Intext Questions Page No-53 Questions No-2

Ekan khan

Asked: October 19, 2020In: Class 10

What chemical process is used for obtaining a metal from its oxide?

NCERT Solution for Class Tenth Science Chapter 3 Metals and Non-metals CBSE NCERT Book Session-2022-2023 Intext Questions Page No-53 Questions No-3

Category: Class 10

Explain the meanings of malleable and ductile.

Why is sodium kept immersed in kerosene oil?

Write equations for the reactions of (i) iron with steam (ii) calcium and potassium with water.

Which gas is produced when dilute hydrochloric acid is added to a reactive metal? Write the chemical reaction when iron reacts with dilute H2SO4.

What would you observe when zinc is added to a solution of iron(II) sulphate? Write the chemical reaction that takes place.

Write the electron-dot structures for sodium, oxygen and magnesium.

Why do ionic compounds have high melting points?

Define the following terms.

Name two metals which are found in nature in the free state.

What chemical process is used for obtaining a metal from its oxide?

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