During extraction of iron which of the following act as flux?

limestoneSo, limestone is used as a flux in the purification process of iron from haematite ore. Therefore, the correct answer is a) Limestone.
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During extraction of iron which of the following act as flux? – Popularly Asked Questions

• Which is used as flux in iron extraction?

  limestone

• Which of the following is produced during extraction of iron?

  In the extraction of iron, the slag produced is : Solution : Calcium silicate is the slag.

• What is flux in metallurgy of iron?

  flux, in metallurgy, any substance introduced in the smelting of ores to promote fluidity and to remove objectionable impurities in the form of slag. Limestone is commonly used for this purpose in smelting iron ores. Other materials used as fluxes are silica, dolomite, lime, borax, and fluorite.

• Which of the following mixtures is used as a flux in the extraction of metals?

  Calcium carbonate along with is used as a flux in the extraction of metals such as iron

• What is flux in extraction?

  Flux is a cleansing agent which helps in removing the impurities present in the metal . Complete step by step answer: When iron is extracted from the haematite ore (Fe2O3) , then this process is known as iron extraction blast furnace metallurgy.

• Which mineral is used for extraction of iron?

  Haematite ore is used for the extraction of iron, therefore option (b) haematite is the correct answer.

• Which of the following is separated as slag during extraction?

  Limestone is also decomposed to CaO which removes silicate impurity of the ore as slag. The slag is in a molten state and separates out from iron.

• What is flux with example?

  In physics, flux is a measure of the number of electric or magnetic field lines passing through a surface in a given amount time. Field lines provide a mechanism for visualizing the magnitude and direction of the field being measured.

• How many types of fluxes are there?

  There are three different categories of fluxes used for soldering electronics according to IPC J-STD-004B. These categories are; Rosin and Rosin Substitutes, Water Soluble, and No-Clean.

• Which flux is used in extraction of copper?

  Copper is extracted from the ore copper pyrite by smelting in a blast furnace. The flux used is SiO2 and slag formed is FeSiO3.

• What is an example of flux?

  The definition of a flux is a flow of liquid from the body, or a constant movement or change. An example of flux is diarrhea. An example of flux is an ever changing list of the responsibilities of a specific job.

• What can be used as flux?

  The best flux alternative is petroleum jelly because it is cheap, effective, most people have it on hand, and it can double as a cleaner. Other good alternatives are lemon juice, homemade pine tar flux, and homemade rosin flux.

• Which is the flux used to remove iron impurities from molten?

  Solution : Silica or `SiO_(2)`.

• Part of a video titled DIY solder flux with rosin and alcohol – YouTube

  yt:iv_2ULCmA28

• What chemicals are in flux?

  Very active fluxes may contain chemicals like metal halides (normally ammonium chloride or zinc chloride), hydrochloric acid, citric acid, phosphoric acid, and hydrobromic acid. Fluxing agents for soldering and brazing aluminum often contain fluorides as activators.

• Which is the following substance acts as a flux?

  Solution : Silica (`SiO_(2)` ) acts as a flux.

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