Sulphide ore is converted to oxide form ...

Sulphide ore is converted to oxide form by using the process

Calcination

Roasting

Smelting

Kroll's method

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A sulphide ore is converted into metal oxide by the process of:

Give reasons (a) Platinum, gold and silver are used to make jewellery. (b) Sodium, potassium and lithium are stored under oil. (c) Aluminium is a highly reactive metal, yet it is used to make utensils for cooking. (d) Carbonate and sulphide ores are usually converted into oxides during the process of extraction.

Assertion : Sulphide ores are converted to oxides before reduction. Reason : Oxides are easier to reduce.

Give reasons : A sulphide ore is converted to its oxide to extract the metal.

Explain the following (a) CO_(2) is a better reducing agent below 710 K whereas CO is a better reducing agent above 710 K . (b) Generally sulphide ores are converted into oxides before reduction. ( c) Silica is added to the sulphide ore of copper in the reverberatory furnance. (d) Carbon and hydrogen are not used as reducing agents at high temperature. (e) Vapour phase refining method is used for the purification of Ti

A sulphide ore is first converted into its oxide before reduction. This is done because :

Why are sulphide ores converted to oxide before reduction?

Explain the following (a) Generally sulphide ores are converted into oxides before reduction. (b) Silica is added to the sulphide ore of copper in the reverberatory furnance.

Sulphide ore of Iron is-

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