Fill in the blanks with the correct option.

1. ______ is an example of a carbonate mineral of iron.
(Iron pyrite/Siderite)

2. Impurities present in an ore are often referred to as _.
(minerals/gangue)

3. Froth floatation is used as a method of concentration in the case of _____ores.
(sulphide/carbonate)

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Solution

1. Siderite is the carbonate ore of iron and has the chemical formula FeCO₃. Correct answer is siderite.
2. Impurities present in an ore are often referred to as gangue. Correct answer is gangue.
3. Froth floatation is used in concentrating sulphide ores. Correct answer is sulphide.

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Similar questions

Fill in the blanks :

(a) ___ product when carbon is burnt in a limited supply of air or oxygen.

(b) Carbon monoxide burns in air with a ___ flame to form carbon dioxide.

(d) A mixture of 95 $%$ oxygen and 5 $%$ carbon dioxide is called ___

(e) Carbon monoxide is used as a ___ in the extraction of pure metals from their corresponding ores.

Distinguish between :

(a) a mineral and an ore,

(b) an ore and a metallic compound.

Q. Fill in the blanks with the correct option.

1. ____________ is an example of a carbonate mineral of iron. (Iron pyrite/Siderite)

2. The method used for extraction of a metal from its
ore depends on the ____________ of the metal. (solubility/reactivity)

3. During electrolysis of NaCl, chlorine gas is obtained
at the ___________. (anode/cathode)

Q. Froth floatation method for concentrating a sulphide ores is based on the difference in the ________ of the ore and gangue.

Can we call a gangue a mineral or ore or both or gangue is different from both.

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1. Siderite is the carbonate ore of iron and has the chemical formula FeCO3. Correct answer is siderite. 2. Impurities present in an ore are often referred to as gangue. Correct answer is gangue. 3. Froth floatation is used in concentrating sulphide ores. Correct answer is sulphide.

1. Siderite is the carbonate ore of iron and has the chemical formula FeCO₃. Correct answer is siderite.
2. Impurities present in an ore are often referred to as gangue. Correct answer is gangue.
3. Froth floatation is used in concentrating sulphide ores. Correct answer is sulphide.