Chemistry Question Bank

The maximum temperature that can be achieved in blast furnace is: (NEET 2021)

The two most abundant metals in the earth crust are:

Identify the incorrect statement. (Odisha NEET 2019)

Which of the following has maximum iron content? (AIIMS 2019)

The process of converting hydrated alumina into anhydrous alumina is called (AIPMT 2013)

Identify the incorrect statement. (NEET Odisha 2015)

Among the metals Cr, Fe, Mn, Ti, Ba and Mg, the one that cannot be obtained by reduction of metal oxide by aluminium is (RPMT 2007)

The magnetite ore is (AIPMT 2007)

Which of the following elements is present as the impurity to the maximum extent in the pig iron? (AIPMT 2011)

Aluminium is not present in which of the following mineral?

Which of the following pairs of metals is purified by van Arkel method? (AIPMT 2011)

Which one of the following methods can be used to obtain highly pure metal which is liquid at room temperature? (NEET 2021)

The ore having two different metal atoms is (AIPMT 2006)

The zone-refining process for purification of metals is based on

Heating pyrites to remove sulphur is called

In electrorefining of metals, the anode is made of

Heating with carbon in absence of air is known as :

The distillation process (under reduced pressure) is used for the purification of

Which of the following metals is obtained by electrolytic reduction process:

Which of the following metals cannot be extracted by the carbon reduction process?

Calcination of ores involves heating the ore below its fusion temperature

Flux is used to remove:

Roasting or ores is done

In the froth floatation process for benefaction of the ores, the ore particles float because

The metal which is extracted by electrolytic reduction is