Preparing magnetic iron oxide from iron(II) sulfate includes .

A reduction reaction occurs to iron(III) oxide, forming carbon dioxide gas and a solid (X) that reacts with hot concentrated sulfuric acid, producing (Y) and (Z) salts and water vapor. From these data, (X), (Y), and (Z) are ..........................................  respectively.

Magnetic iron oxide can be obtained from iron(III) chloride using the following sequence: .

When reacting iron with chlorine gas,   ..................is produced because chlorine gas is ...................  agent.

The correct order of processes that are needed to obtain iron II sulfide from iron II sulfate  is.................... , ......................... , . and .................... .

Which of the following cannot be differentiated using iron filings?

On the addition of iron filings to a concentrated solution of sulfuric acid, along with hydronium and hydroxide ions, the ions in the resultant solution are ..........................  .

Iron(III) hydroxide is converted into magnetic iron oxide by the thermal decomposition reaction that forms a red powder compound, then a reduction reaction occurs. The oxidation number of the cation of the red powder is .

All of the following reactions will cause a decrease in mass due to several reasons except .

All of the following reactions are used to obtain the iron oxide that reacts with dilute hydrochloric acid forming ferrous salt and water except for .................................. .

All of the following compounds produce a mixture of two gases during their thermal decomposition except for ......................................... .

It is known that iron(III) oxide is used in preparing iron(III) sulfate. So, the numbers of iron, iron-bonded oxygen, and sulfuric acid moles that are used to prepare 3 moles of iron(III) sulfate are  respectively ........................ .

When iron(II) sulfate is heated strongly, the solid product formed can be reduced by .................... ,forming ................... .

A strong magnet is placed next to a powder mixture of NaCl ,  Al₂O₃ ,Fe₃O₄ ,SiO₂ ,and CaCO₃.The compound that will separate from the mixture is ................... .

When dilute sulphuric acid added to test tube contains a mixture of iron (II) oxide and iron (III) oxide , after the reaction is completed the contents of the test tube will be ................ .

which of the following products produced on reaction concentrated H₂So4 with Fe and does not produced on reacting the same acid with mixed oxide  .............................................

By passing carbon mono oxide on red iron oxide at 300^oC  then adding conc . sulphuric acid to the product ......................... is formed.

All the following are methods for preparing red iron oxide ,except ......................

The solid substance produced from the reduction of Fe₂O₃ at 880^oC

The correct statement from the following about the yellow-colored iron solution is that.