Give reasons : Carbonate and sulphide ores are usually converted into oxides during process of

English

Gujarati

Hindi

3. Metals and Non-metals

easy

Give reasons : Carbonate and sulphide ores are usually converted into oxides during the process of extraction.

Option A

Option B

Option C

Option D

Solution

Carbonate and sulphide ores are usually converted into oxides during the process of extraction because metals can be easily extracted from their oxides rather than from their carbonates and sulphides.

Standard 10

Science

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.

medium

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

hard

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

easy

An element reacts with oxygen to give a compound with a high melting point. This compound is also soluble in water. The element is likely to be

medium

Give reasons : Aluminium is a highly reactive metal, yet it is used to make utensils for cooking.

medium

Give reasons : Carbonate and sulphide ores are usually converted into oxides during the process of extraction.

Solution

Similar Questions

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.

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

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

An element reacts with oxygen to give a compound with a high melting point. This compound is also soluble in water. The element is likely to be

Give reasons : Aluminium is a highly reactive metal, yet it is used to make utensils for cooking.

Start a Free Trial Now