Match the following compounds with their respective uses:
Compound Uses $1. CaCO_3$ $a.$ In purification of coal gas $2. Ca(OH)_2$ $b.$ As an antacid $3. CaO$ $c.$ In paper and textile industries $4. Na_2CO_3 \cdot 10H_2O$ $d.$ In glass and leather industries
| Compound | Uses |
|---|---|
| $1. CaCO_3$ | $a.$ In purification of coal gas |
| $2. Ca(OH)_2$ | $b.$ As an antacid |
| $3. CaO$ | $c.$ In paper and textile industries |
| $4. Na_2CO_3 \cdot 10H_2O$ | $d.$ In glass and leather industries |
- A$1-a, 2-b, 3-c, 4-d$
- B$1-b, 2-c, 3-a, 4-d$
- C$1-b, 2-d, 3-a, 4-c$
- D$1-c, 2-a, 3-d, 4-b$
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The correct solubility order is/are:
$I. CaCO_3 > SrCO_3 > BaCO_3$
$II. Li_2CO_3 < Na_2CO_3 < K_2CO_3$
$III. K_2CO_3 < Rb_2CO_3 < Cs_2CO_3$
$IV. Na_2CO_3 > K_2CO_3 > Rb_2CO_3$
$I. CaCO_3 > SrCO_3 > BaCO_3$
$II. Li_2CO_3 < Na_2CO_3 < K_2CO_3$
$III. K_2CO_3 < Rb_2CO_3 < Cs_2CO_3$
$IV. Na_2CO_3 > K_2CO_3 > Rb_2CO_3$
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View SolutionWhich of the following compounds gives oxygen on fast heating?
$I$. $AgNO_3$
$II$. $CaCO_3$
$III$. $Pb(NO_3)_2$
$IV$. $Na_2CO_3$
$I$. $AgNO_3$
$II$. $CaCO_3$
$III$. $Pb(NO_3)_2$
$IV$. $Na_2CO_3$
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