Which of the following are the by-products in the Solvay process for the manufacture of $Na_2CO_3$?
- A$NH_4Cl, CaO$
- B$CaO, Na_2CO_3$
- C$CaCl_2, NH_3$
- D$Na_2CO_3, CO_2$
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Choose the correct order of density of the alkali metals.
$NaOH$ is prepared by the method:
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View SolutionAssertion $(A)$: Alkali metals and their salts impart characteristic flame colours.
Reason $(R)$: Alkali metals have low ionization enthalpy values. So, electron excitation is possible.
The correct option among the following is
Reason $(R)$: Alkali metals have low ionization enthalpy values. So, electron excitation is possible.
The correct option among the following is
Starting with sodium chloride,how would you proceed to prepare:
$(i)$ sodium metal
$(ii)$ sodium hydroxide
$(iii)$ sodium peroxide
$(iv)$ sodium carbonate?
$(i)$ sodium metal
$(ii)$ sodium hydroxide
$(iii)$ sodium peroxide
$(iv)$ sodium carbonate?
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