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In India on the occasion of marriage the...

In India on the occasion of marriage the fireworks are used to give coloured flames. The salt of which one of the following metals is used to obtain green flame for this purpose ?

A

`Na`

B

`Ba`

C

K

D

`Ca`

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-ALKALINE EARTH METALS-PRACTICE EXERCISE
  1. Ions necessary for blood clotting and for muscle contraction

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  2. One of the important uses of quicklime is ?

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

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  4. The following monoxide is a high melting solid

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

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  6. Beryllium hydroxide dissolves in excess of alkli to give

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

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

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  9. Weight percentage of silica in portland cement is

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  10. During the conversion of one mole of gypsum to one mole of plaster of ...

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  11. Match the following {:("LIST - I","LIST - II"),("A) Aqueous solution...

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  12. The basic character of oxides MgO, SrO, K(2)O, NiO, Cs(2)O increase in...

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  13. A burning strip of magnesium is introduced into a jar containing a gas...

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  14. The calcium concentration in plasma is regulated by which harmones

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  15. Correct matching about composition of portland cement is {:("List - ...

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  16. Bleaching powder is obtained by the reaction chlorine with

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  17. Be(OH)(2)+2HCl+2H(2)Orarr X  In the complex "X", oxidation state and...

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  18. Which of the following is unstable and can be kept only in the atmosph...

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  19. Wrong statement of the following is

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  20. A suspension of mangnesium hydroxide in water is called ----- and is u...

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