Flux addition during smelting of ore is done to (A) Remove impurities/gangue (B) Enhance rate of reaction (C) Accelerate reduction of ore (D) Separate slag from metal

Flux addition during smelting of ore is done to
(A) Remove impurities/gangue
(B) Enhance rate of reaction
(C) Accelerate reduction of ore
(D) Separate slag from metal
by

1 Answer

Answer :

(A) Remove impurities/gangue
by

Related questions

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Last Answer : ANSWER: X -- GANGUE

Which of the following refers to an easily melted product of the reaction between the flux and the impurities of an ore? w) slag x) slurry y) slug z) none of the above

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Last Answer : ANSWER: W -- SLAG

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The chemical composition of slag formed during the smelting process in the extraction of copper is :-

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The fusible substance obtained when flux combines with the gangue is known as?

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Last Answer : Slag

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Last Answer : Slag

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The function of neutral flux used in the pyrometallurgy of metal extraction is to increase the __________ of the slag. (A) Fluidity (B) Basicity (C) Acidity (D) Viscosity

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Function of the flux added during smelting is

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Which of the following statements are true with respect to iron ore? 2. Limestone and coal are important for smelting iron ore 3. More than 20% of the world iron ore deposits are in India 4. Odisha and Jharkhand top in the production of iron ore 5. Iran is the largest buyer of Indian iron ore (a) I, II and III (b) II and III (c) III and IV (d) II, III and IV

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Which of the following minerals are required for smelting iron ore? (1) Limestone and gypsum (2) Manganese and limestone (3) Limestone and coal (4) Gypsum and coal

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The use of heat treatment of ore that includes smelting and roasting is termed as - (1) Electrometallurgy (2) Hydrometallurgy (3) Pyrometallurgy (4) Cryometallurgy

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Heating of a ore below its melting point in the absence of air is known as – (1) Refining (2) Calcination (3) Roasting (4) Smelting

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The use of heat treatment of ore that includes smelting and roasting is termed as : (1) Electrometallurgy (2) Hydrometallurgy (3) Pyrometallurgy (4) Cryometallurgy

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Heating of a ore below its melting point in the absence of air is known as (1) Refining (2) Calcination (3) Roasting (4) Smelting

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Which of the following minerals are required for smelting iron ore? (1) Limestone and gypsum (2) Manganese and limestone (3) Limestone and coal (4) Gypsum and coal

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Define the terms 1) Flux 2) Slag.

Description : Define the terms 1) Flux 2) Slag.

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Flux reacts with the impurities to form fusible material. which is known as which name?

Description : Flux reacts with the impurities to form fusible material. which is known as which name?

Last Answer : Slag

The method of concentrating the ore which makes use of the difference in density between ore and impurities is called?

Description : The method of concentrating the ore which makes use of the difference in density between ore and impurities is called?

Last Answer : levigation

The earthy impurities present in the ore are called?

Description : The earthy impurities present in the ore are called?

Last Answer : Gangue

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In AT welding process what is the role of asbestos powder & slag ? (i) To separate closing pin from portion* (ii) To hold the portion (iii) Both above are correct (iv) None of the above

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Function of Calcium fluoride/flour spar in portion is? (i) To separate slag* (ii) To separate aluminum (iii) To separate ferrous (iv) No separation

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In extractive metallurgy of lead, the reduction of the roasted ore to the molten metal by heating with coke is called

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In the extraction of Cu from its sulphide ore, the metal is formed by reduction of `Cu_(2)O` with

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Last Answer : Answer : C

One of the steps during refining of cane sugar consists of addition ofhydrated lime to the sugar syrup followed by carbonation of the resultingsolution. The purpose of this step is to(A) Adjust the pH of the syrup(B) Remove the coloring matter from the syrup(C) Reduce the viscosity of the syrup(D) Improve the rate of crystallisation of sugar

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