Tiwari Academy Discussion

Eniya kapoor

Asked: October 19, 2020In: Class 10

In the electrolytic refining of a metal M, what would you take as the anode, the cathode and the electrolyte?

NCERT Solution for Class Tenth Science Chapter 3 Metals and Non-metals CBSE NCERT Book Session-2022-2023 Exercises Questions Page No-20 Questions No-8

Eniya kapoor

Asked: October 19, 2020In: Class 10

Pratyush took sulphur powder on a spatula and heated it. He collected the gas evolved by inverting a test tube over it, as shown in figure below.

NCERT Solution for Class Tenth Science Chapter 3 Metals and Non-metals CBSE NCERT Book Session-2022-2023 Exercises Questions Page No-20 Questions No-9 Pratyush took sulphur powder on a spatula and heated it. He collected the gas evolved by inverting a test tube ...

Eniya kapoor

Asked: October 19, 2020In: Class 10

State two ways to prevent the rusting of iron.

NCERT Solution for Class Tenth Science Chapter 3 Metals and Non-metals CBSE NCERT Book Session-2022-2023 Exercises Questions Page No-20 Questions No-10

Eniya kapoor

Asked: October 19, 2020In: Class 10

State two ways to prevent the rusting of iron.

NCERT Solution for Class Tenth Science Chapter 3 Metals and Non-metals CBSE NCERT Book Session-2022-2023 Exercises Questions Page No-21 Questions No-10

Eniya kapoor

Asked: October 19, 2020In: Class 10

What type of oxides are formed when non-metals combine with oxygen?

NCERT Solution for Class Tenth Science Chapter 3 Metals and Non-metals CBSE NCERT Book Session-2022-2023 Exercises Questions Page No-21 Questions No-11

Poll

Eniya kapoor

Asked: October 19, 2020In: Class 10

Give reasons

NCERT Solution for Class Tenth Science Chapter 3 Metals and Non-metals CBSE NCERT Book Session-2022-2023 Exercises Questions Page No-21 Questions No- 12

Eniya kapoor

Asked: October 19, 2020In: Class 10

You must have seen tarnished copper vessels being cleaned with lemon or tamarind juice. Explain why these sour substances are effective in cleaning the vessels.

NCERT Solution for Class Tenth Science Chapter 3 Metals and Non-metals CBSE NCERT Book Session-2022-2023 Exercises Questions Page No-21 Questions No-13

Eniya kapoor

Asked: October 19, 2020In: Class 10

Differentiate between metal and non-metal on the basis of their chemical properties.

NCERT Solution for Class Tenth Science Chapter 3 Metals and Non-metals CBSE NCERT Book Session-2022-2023 Exercises Questions Page No-21 Questions No-14

Eniya kapoor

Asked: October 19, 2020In: Class 10

A man went door to door posing as a goldsmith. He promised to bring back the glitter of old and dull gold ornaments. An unsuspecting lady gave a set of gold bangles to him which he dipped in a particular solution. The bangles sparkled like new but their weight was reduced drastically. The lady was upset but after a futile argument the man beat a hasty retreat. Can you play the detective to find out the nature of the solution he had used?

NCERT Solution for Class Tenth Science Chapter 3 Metals and Non-metals CBSE NCERT Book Session-2022-2023 Exercises Questions Page No-21 Questions No-15

Eniya kapoor

Asked: October 19, 2020In: Class 10

Give reasons why copper is used to make hot water tanks and not steel (an alloy of iron).

NCERT Solution for Class Tenth Science Chapter 3 Metals and Non-metals CBSE NCERT Book Session-2022-2023 Exercises Questions Page No-21 Questions No-

In the electrolytic refining of a metal M, what would you take as the anode, the cathode and the electrolyte?

Pratyush took sulphur powder on a spatula and heated it. He collected the gas evolved by inverting a test tube over it, as shown in figure below.

State two ways to prevent the rusting of iron.

State two ways to prevent the rusting of iron.

What type of oxides are formed when non-metals combine with oxygen?

Give reasons

You must have seen tarnished copper vessels being cleaned with lemon or tamarind juice. Explain why these sour substances are effective in cleaning the vessels.

Differentiate between metal and non-metal on the basis of their chemical properties.

Give reasons why copper is used to make hot water tanks and not steel (an alloy of iron).

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