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The pair of elements do not impart flame...

The pair of elements do not impart flame colour test

A

`Be & Ca`

B

`Ca & Mg`

C

`Mg & Ba`

D

`Be & Mg`

Text Solution

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The correct Answer is:
D
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AAKASH SERIES-ALKALINE EARTH METALS-PRACTICE EXERCISE
  1. Among the following which does not react even with hot water ?

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  2. The maximum covalency of Be and Mg respectively

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  3. The pair of elements do not impart flame colour test

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  4. Thermally most stable oxide is

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  5. Amphoteric hydroxide among the following

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  6. Which of the following is least soluble in water

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  7. The difference of water molecules in one molecule of each gypsum and p...

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  8. In the hardening stage of plaster of paris, the compound formed is

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  9. Dead burnt is obtained from gypsum, on heating at

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  10. Metals that are passive by conc HNO(3) are cr,zn,Al

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  11. Which of the following statements are correct i) Both carbides of Be...

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  12. Ions necessary for blood clotting and for muscle contraction

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  13. One of the important uses of quicklime is ?

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  14. In India on the occasion of marriage the fireworks are used to give co...

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  15. The following monoxide is a high melting solid

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  16. The following are the statements about oxides of IIA elements i) Oxi...

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  17. Beryllium hydroxide dissolves in excess of alkli to give

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  18. Correct statements regarding diagnal relationship between belyllium an...

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  19. The decomposition temperature of BaCO(3) (A), MgCO(3) (B) and CaCO(3) ...

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  20. Weight percentage of silica in portland cement is

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