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Mining

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Question

Give the correct order of initials T or F for following statements. Use T if statement is
true and F if it is false.
(i) Every mineral is an ore but every ore is not a mineral.
(ii) Slag is a product formed during extraction of metal by combination of flux and impurities.
(iii) Highly pure metals can be obtained by zone refining.
(iv) Carnallite is an ore of magnesium and sodium.

A

TTTF

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B

FTTF

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C

FTTT

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D

TFTF

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Solution

The correct option is B FTTF
Every ore is mineral but every mineral is not ore.
Carnallite is an ore of potassium and magnesium.

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Similar questions

Q. Give the correct order of initials

T

F

for the following statements. Use

T

if statement is true and

F

if it is false.
(I) Every mineral is an ore but every ore is not a mineral.
(II) Slag is product formed during extraction of metal by combination of flux and impurities.
(III) Highly pure metals can be obtained by zone refining.
(IV) Carnallite is an ore of magnesium and sodium.

Q. Which of the following statements is correct regarding the slag obtained during the extraction of a metal like copper or iron?

Q. All minerals are not the ore but all ores are minerals. The extraction of a particular metal depends upon several factors and overall it has to be convenient and economical.

Which of the following statement is true?

Q. Sequence the following steps involved generally in the extraction of a metal in pure form from its ore.
(a) The metal obtained from its oxide require further purification for end use.
(b) The ore should be converted to its oxide form.
(c) The ore is beneficial to us if it is handpicked then metal crushed and ground, and later subjected to pulverization as per the requirement
(d) The ore in the form of oxide is required to be reduced.
(e) Dressed ore is required for it to be concentrated.

Q. Which of the following statements is correct regarding the slag formation during extraction of a metal like copper or iron?

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