Reaction of Water with Metallic Oxides

Q.

A desiccator is an air-tight glass vessel with a suitable drying agent, ________ placed at the bottom of the vessel.

Q. Which reaction can be used for the manufacture of hydrogen?

1. Filtration process
2. Bosch Process
3. Desalinisation process
4. Evaporation

Q.

$Mg+H_{2}O\to A+H_2$

$A+H_{2}O\to B$

Identify A and B.

1. $A\to MgO$

   $B\to Mg\left(OH\right)$

2. $A\to Mg(OH{)}_2$

   $B\to MgO$

3. $A\to MgO$

   $B\to Mg(OH{)}_2$

4. $A\to Mg(OH{)}_2$

   $B\to Mg{O}_2$

Q.

How we can prepare charcoal in our home