Na2B4O7 10 H20 is the formula of:
Correct answer: B. Borax
- A. Bauxite
- B. Borax
- C. Carborundum
- D. Colemanite
Explanation
The compound Na2B4O7 10 H2O is known as Borax. It is a naturally occurring mineral and a common household cleaning agent. The formula represents sodium tetraborate decahydrate. Bauxite is an aluminum ore, Carborundum is silicon carbide, and Colemanite is a borate mineral with a different formula. Therefore, the correct answer is Borax.
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About Reactions of Group IV Elements
Group IV, or Group 14, chemistry covers the trends from carbon and silicon to tin and lead, including their reactions with oxygen, halogens, water, acids and alkalis. It also examines the structures and properties of their oxides and chlorides, oxidation states, and the inert pair effect, rather than treating all members as equally metallic.
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