If it is a food colouring, it may be made from the cochineal beetles. If a paint, it is probably made from a mineral pigment. It may otherwise be tomato sauce, or blood. Take your pick.
An element - substance - NOT a mixture.
The substance that dissolves another substance is called a solvent. The substance that is dissolved is called the solute.
A pure substance is classified by having a definite and constant composition. The substance can be either an element or a compound, but what makes the substance pure, is that it does not vary.
pure substance, propanone
it decreases.
Haemoglobin
The substance is otherwise known as paleodiecius its like smoke but its a visible substance not a smellable substance it looks like ash only it remains red during and after the burning and remains red until destroyed!
This substance is curcumin - C21H20O6.
Any substance with a pH of 7.
Erythro or Red
As with any material or substance, the apparent color is merely the result of light wave frequencies which are reflected by said material or substance.
Hire accountants.
Blood is a red substance in ur body!
Haemoglobin.
Haemoglobin.
Red is a color. It appears when a substance is capable of absorbing every color of light except red.
Carbon monoxide - if the haemoglobin (the substance which makes the cell red) is poisoned by carbon monoxide the whole cell is destroyed