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Alklali metals do not exist in free stat...

Alklali metals do not exist in free state in nature because these are

A

Very reactive

B

Very volatile

C

Metallic in nature

D

Highly electronegative elements

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The correct Answer is:
A
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CENGAGE CHEMISTRY-GENERAL PRINCIPLES AND PROCESS OF ISOLATION OF ELEMENTS-Exercise (Single Correcttype)
  1. The most abundant element in earth's crust is

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  2. Which of the following processes involve the roasting process ?

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  3. Alklali metals do not exist in free state in nature because these are

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  4. In the froth flotation process for benefication of ore, the ore partic...

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  5. Salt which is (are) least likely to find in minerals

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  6. Which of the following benefication processes is used for the mineral ...

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  7. In the aluminothermite process, aluminium is

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  8. Magnetic separation is used for increasing concentration of the follow...

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  9. Which of the following srtatement above the advantage of masting of su...

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  10. When the sample of copper with zinc impurityn is to be purified by ele...

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  11. During the process of electroytic refining of copper some metals prese...

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  12. On heating a mixture of Cu(2)O and Cu(2)S, we get :

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  13. Sulphide ore of metal are usually concentrated by froth flotation proc...

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  14. Heating of ore in presence of air to remove sulphure impurities is cal...

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  15. The method of zone relining of metal is based on the principle of AIFM...

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  16. Which of the following function is of no significance for roasting su...

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  17. Complex formation for cyanide method is used for the extraction of

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  18. The least stable oxide at room temperature is

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  19. High purity copper metal is obtained by

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  20. Corumdum is

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