Home
Class 10
CHEMISTRY
[" Q.11.The compound which is used for r...

[" Q.11.The compound which is used for removing permanent hardness of water "],[[" (a) "NaHCO_(3)," (b) "CuSO_(4)*5H_(2)O],[" (c) "Na_(2)CO_(3)," (d) "Na_(2)CO_(3),10H_(2)O],[" Qair of elements belong to the same group? "]]

Promotional Banner

Similar Questions

Explore conceptually related problems

Na_(2) CO_(3). 10 H_(2) O is

What is the common name of (a) NaHCO_(3) and (b) Na_(2)CO_(3).10H_(2)O ?

Na_(2)CO_(3), " " Fe_(2)(SO_(4))_(3), " " FeSO_(4).7H_(2)O

The compounds among the following, used as disinfectants or germicides are CuSO_(4)* 5 H_(2) O, Na_(2) CO_(3) * 10 H_(2) O, CaOCl_(2) CaSO_(4) * 2H_(2) O

One required 0.01 mole of Na_(2)CO_(3) . Mass of Na_(2)CO_(3) . 10H_(2)O to be taken is

Presence of which of the forcoming compounds makes water hard ? Na_(2)SO_(4),Ca(HCO_(3))_(2),MgCl_(2),Na_(2)CO_(3),CaSO_(4),KCl,NaHCO_(3),MgSO_(4),CaCl_(2)

False statement about Na_(2)CO_(3)10H_(2)O is