Water is liquid while `H_2S` is a gas. Suggest reason for the above fact.
Mention any two facts based on the above phenomenon.

Water is liquid while H_2S is a gas. Suggest reason for the above fact. Explain the phenomenon.

At room temperature, H_2O is liquid while H_2S is a gas. The reason is

Why is 'H_2 O' a liquid and 'H_2 S' a gas?

Three vessels of different shapes are filled with water to the same height 'h' and their bottom parts are connected to manometers measuring the pressure. The water levels in all the vessels remain the same. . Identify the above phenomenon.

Bones of the older people turn brittle and break quickly. a) Name the bone disorder stated above. b) List any two reasons for the above disorder.

H_2S is a gas at ordinary condition, while H_2O is liquid. Account for the above statement.

Alkali metals and alkaline earth metals belong to the s-block of the periodic table. Name the industrial process for the manufacture of sodium carbonate .The above mentioned method is not suitable for the preparation of potassium carbonate. Give the reason