The dark red colour of bombs in fireworks is due to the presence of:
- A$Na$
- B$Ba$
- C$Sr$
- D$K$
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Similar Questions
Match column $-I$ with column $-II$ :
Column $-I$ Column $-II$ $(a)$ Borax $(p)$ $NaCl$ $(b)$ Carnallite $(q)$ $KCl$ $(c)$ Rock salt $(r)$ $KCl.MgCl_2.6H_2O$ $(d)$ Silvine $(s)$ $Na_2B_4O_7.10H_2O$
| Column $-I$ | Column $-II$ |
|---|---|
| $(a)$ Borax | $(p)$ $NaCl$ |
| $(b)$ Carnallite | $(q)$ $KCl$ |
| $(c)$ Rock salt | $(r)$ $KCl.MgCl_2.6H_2O$ |
| $(d)$ Silvine | $(s)$ $Na_2B_4O_7.10H_2O$ |
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$Al$ utensils should not be cleaned with materials containing washing soda because .............
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