Gr 9 NATURAL SCIENCES: CH 4.3 Refining minerals

What is the primary purpose of refining minerals?

What is the reducing agent used in the early technique of extracting iron?

What is the approximate percentage of carbon in iron extracted from the blast furnace?

What is the chemical reaction for the reduction of iron ore in the blast furnace process?

What happens to the carbon dioxide gas produced during the refining process?

What is the purpose of hot air blast in the blast furnace process?

What is the purpose of blowing pure oxygen through the molten iron during refining?

What is the reacting material that forms slag in the blast furnace process?

Where is the refined iron sent to after the refining process?

What is the final product of the blast furnace process?

What is the primary use of slag in construction?

Which country is mentioned as one of the largest producers of iron ore globally?

What is the main purpose of the refining process?

Where is coal distributed to after the blast furnace process?

What is the primary industry that uses steel?

What is the reason for reducing the carbon content in the iron extracted from the blast furnace?

What is the byproduct of the reaction between carbon and oxygen during the refining process?

What is the primary industry that uses the refined minerals as raw materials?

What happens to the molten iron during the refining process?

What is the purpose of the blast furnace process?

What is the fate of the carbon dioxide gas produced during the refining process?

What is the use of coal in the blast furnace process?

What is the final product sent to steel manufacturing plants?

What is the main difference between the early technique of extracting iron and the modern blast furnace process?

What is the purpose of limestone in the blast furnace process?

What is the final product of the blast furnace process?

What is the equation for the reduction of iron ore in the early technique of extracting iron?

What is the name of the massive structure used in modern iron extraction?

What is the type of rock that contains iron atoms?

What is the historical period associated with the early techniques of iron extraction?

What is the primary function of the limestone in the blast furnace process?

What is the main difference between the reduction of iron ore in the early technique and the blast furnace process?

What is the purpose of the bloomery in the early technique of extracting iron?

What is the primary reason for the use of coke in the blast furnace process?

What is the fate of the molten slag in the blast furnace process?

What is the primary advantage of the blast furnace process over the early technique of extracting iron?

What is the chemical state of the iron ore before the blast furnace process?

What is the primary advantage of reducing the carbon content in iron extracted from the blast furnace?

What is the primary role of pure oxygen in the refining process?

What is the primary consequence of not refining the iron extracted from the blast furnace?

What is the primary purpose of distributing coal to power stations?

What is the primary difference between the iron extracted from the blast furnace and the refined iron?

What is the primary industry that uses the refined iron as a raw material?

What is the primary reason for the distribution of slag to construction sites?

What is the primary benefit of using steel in the construction industry?