Acetic acid

Hydrochloric acid

Sulphuric acid

Nitric acid

Sodium Chloride

Sodium Bicarbonate

Calcium Chloride

Magnesium carbonate

Nitrogen

Carbon dioxide

Oxygen

Air

Heart

Spleen

Red bone marrow

Yellow bone marrow

Its surface is smooth

There is no friction

Increase of pressure causes ice to melt

It is very chill