Which metals upon heating in the presence of air followed by hydrolysis give ammonia?
- A$Li, K$
- B$Rb, Mg$
- C$Li, Mg$
- D$Ca, K$
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Which of the following,when heated with a solution of caustic soda,produces a combustible gas?
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| $(d)$ Silvine | $(s)$ $Na_2B_4O_7.10H_2O$ |
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