Question

Correct the following statements: [5] i. The temperature 273°C is called absolute zero. ii. Alkaline earth metals are kept in inert solvent. iii. Solids are highly expansible. iv. An alpha particle is same as a Helium ion. v. The empirical formula of acetic acid (CH3COOH) is CHO.​

Answer 1

Explanation:

i. The temperature -273.15 °C is called absolute zero.

ii. Alkali metals are kept in an inert solvent.  

iii. Gases are highly expansible.

iv. An alpha particle is the same as a Helium nuclei.

v. The empirical formula of acetic acid (CH3COOH) is CH₂O.​