Arihant Expert Team Solutions for Exercise 2: Previous Years' Questions

Metallic oxides are _____ in nature.

Which one of the following is known as Baeyer's Reagent?

Which type of hybridisation occurs in undefined?

Electronic configuration of $Cr$ is _____.

Which of the following sets contains the same number of molecules? 

1. $1$ gram $O_2$, $2$ gram $S{O}_2$

2. $1$ gram $C{O}_2$, $1$ gram $N_{2}O$

3. $1$ gram $CO$, $1$ gram$N_2$

4. $1$ gram $O_2$, $1$ gram $O_3$

 When a copper plate is exposed to moist air for long, then it acquires a dull green coating. The green material is _____.

Vapor pressure of liquid depends upon the _____.

Which one of the following takes place when water transforms from liquid to gaseous phase?