What is obtained when gypsum is heated at $300\,^oC$?
- A$CaSO_4 \cdot 2H_2O$
- B$CaSO_4$
- C$CaSO_4 \cdot \frac{1}{2}H_2O$
- D$SO_3$ and $CaO$
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Reason $(R)$: In aqueous medium,the basic strength of $MgO$,$CaO$,$SrO$,and $BaO$ increases with an increase in the atomic number of the metal.
The correct option among the following is:
Reason $(R)$: In aqueous medium,the basic strength of $MgO$,$CaO$,$SrO$,and $BaO$ increases with an increase in the atomic number of the metal.
The correct option among the following is:
Among the following,the basic oxide is .....
What are $X$,$Y$ and $Z$ in the following reactions?
$CaCO_3 \stackrel{\Delta}{\rightleftharpoons} CO_2 + X$
$X + H_2O \longrightarrow Y$
$Y + Cl_2 \longrightarrow Z$
$CaCO_3 \stackrel{\Delta}{\rightleftharpoons} CO_2 + X$
$X + H_2O \longrightarrow Y$
$Y + Cl_2 \longrightarrow Z$
Alkaline earth metals belong to which group of elements?
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