Copper is very slowly oxidized on the surface in moist air,giving a green coating of verdigris. The chemical formula of verdigris is:
- A$Cu_2O$
- B$CuCO_3$
- C$CuCO_3 \cdot Cu(OH)_2$
- D$CuSO_4$
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Similar Questions
The incorrect order of solubility in water is
Difficult
View SolutionThe correct solubility order is/are:
$I. CaCO_3 > SrCO_3 > BaCO_3$
$II. Li_2CO_3 < Na_2CO_3 < K_2CO_3$
$III. K_2CO_3 < Rb_2CO_3 < Cs_2CO_3$
$IV. Na_2CO_3 > K_2CO_3 > Rb_2CO_3$
$I. CaCO_3 > SrCO_3 > BaCO_3$
$II. Li_2CO_3 < Na_2CO_3 < K_2CO_3$
$III. K_2CO_3 < Rb_2CO_3 < Cs_2CO_3$
$IV. Na_2CO_3 > K_2CO_3 > Rb_2CO_3$
The correct order of solubility in water is:
Medium
View SolutionCompare the alkali metals and alkaline earth metals with respect to $(i)$ ionization enthalpy,$(ii)$ basicity of oxides,and $(iii)$ solubility of hydroxides.
Medium
View SolutionMatch Column-$I$ with Column-$II$ :
Column-$I$ Column-$II$ $(a)$ $NaOH$ $(p)$ Silvine $(b)$ $Na_2CO_3$ $(q)$ As cooling agent in nuclear reactor $(c)$ Liquid $Na$ $(r)$ Detergent soap $(d)$ Potassium $(s)$ In purification of Bauxite
| Column-$I$ | Column-$II$ |
| $(a)$ $NaOH$ | $(p)$ Silvine |
| $(b)$ $Na_2CO_3$ | $(q)$ As cooling agent in nuclear reactor |
| $(c)$ Liquid $Na$ | $(r)$ Detergent soap |
| $(d)$ Potassium | $(s)$ In purification of Bauxite |
Medium
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