Precipitation Reactions and Barium Sulphate Formation

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10 Questions

Which type of reaction involves the gain of oxygen or loss of hydrogen?


What kind of reaction produces insoluble salts?

Precipitation reaction

In which type of reaction do two or more substances combine to form a new single substance?

Combination reaction

What is the opposite of a combination reaction?

Decomposition reaction

Which type of reaction involves exchanging two different atoms or groups of atoms?

Double displacement reaction

What is the main feature of exothermic reactions?

Release of heat energy

In the reaction 4Na(s) + O2(g) → 2Na2O(s), which substance is oxidized?


Which reaction involves the loss of oxygen or gain of hydrogen?


What is a common feature of endothermic reactions?

Absorption of energy

Which type of reaction results in the gain of oxygen?


Explore the formation of a white precipitate of BaSO4 in the reaction between Na2SO4 and BaCl2. Learn about precipitation reactions and the causes behind the formation of insoluble substances like barium sulphate.

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