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Question

Roasting is generally done in case of the following

(a) Oxide ores
Silicate ores
(c) Sulphide ores
Carbonate ores

The correct answer is: (c) Sulphide ores

In this process sulphides ores are converted into oxide ores $2 Z n S plus 3 O subscript 2 end subscript rightwards arrow 2 Z n O plus 2 S O subscript 2 end subscript upwards arrow$

Important ore of Mg is

Important ore of Mg is
Chemistry-General

General
Chemistry-
The most important ore of tin is
The most important ore of tin is
Chemistry-General
General
Chemistry-
The principal ores of silver are argentite, horn silver and pyrargyrite. Their formula respectively are
The principal ores of silver are argentite, horn silver and pyrargyrite. Their formula respectively are
Chemistry-General
General
Chemistry-
Indicate the mineral from which copper is manufactured
Indicate the mineral from which copper is manufactured
Chemistry-General
General
Chemistry-
The most abundant metal in the earth crust is
The most abundant metal in the earth crust is
Chemistry-General
General
Chemistry-
Important ore of zinc is
Important ore of zinc is
Chemistry-General
General
Chemistry-
Calamine is
Calamine is
Chemistry-General
General
Chemistry-
Which one of the following is an ore of silver
Which one of the following is an ore of silver
Chemistry-General
General
Chemistry-
Argentite is a mineral of
Argentite is a mineral of
Chemistry-General
General
Chemistry-
Which of the following ore is called malachite
Which of the following ore is called malachite
Chemistry-General

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Roasting is generally done in case of the following

(a) Oxide ores Silicate ores (c) Sulphide ores Carbonate ores

The correct answer is: (c) Sulphide ores

In this process sulphides ores are converted into oxide ores

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Main function of roasting is

Main function of roasting is

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Refractory materials are generally used in furnaces because

Which of the following ore is best concentrated by froth-flotation method

Which of the following ore is best concentrated by froth-flotation method

Sulphide ores are generally concentrated by

Sulphide ores are generally concentrated by

Which of the following is a carbonate ore

Which of the following is a carbonate ore

Important ore of Mg is

Important ore of Mg isChemistry-General

The most important ore of tin is

The most important ore of tin is

The principal ores of silver are argentite, horn silver and pyrargyrite. Their formula respectively are

The principal ores of silver are argentite, horn silver and pyrargyrite. Their formula respectively are

Indicate the mineral from which copper is manufactured

Indicate the mineral from which copper is manufactured

The most abundant metal in the earth crust is

The most abundant metal in the earth crust is

Important ore of zinc is

Important ore of zinc is

Calamine is

Calamine is

Which one of the following is an ore of silver

Which one of the following is an ore of silver

Argentite is a mineral of

Argentite is a mineral of

Which of the following ore is called malachite

Which of the following ore is called malachite

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(a) Oxide ores
Silicate ores
(c) Sulphide ores
Carbonate ores

In this process sulphides ores are converted into oxide ores $2 Z n S plus 3 O subscript 2 end subscript rightwards arrow 2 Z n O plus 2 S O subscript 2 end subscript upwards arrow$

Important ore of Mg is
Chemistry-General