The incorrect statement among the following regarding Beryllium is-

1. It is rendered passive by nitric acid.

2. lt forms Be₂C

3. It's salts rarely hydrolyze.

4. It's hydride is electron-deficient and polymeric.

The suspension of slaked lime in water is known as:
1. lime water
2. quick lime
3. milk of lime
4. washing of lime

The product obtained as a result of a reaction of nitrogen with CaC₂ is:

1. CaCN
2. CaCN₃
3. Ca₂CN
4. CaCN₂