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.
No, red sugar is not a colloid. Colloids are mixtures where one substance is dispersed evenly throughout another substance in a way that does not settle out. Red sugar is likely a pure substance that has been colored red.
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!
Any substance with a pH of 7.
This substance is curcumin - C21H20O6.
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.
Lithium turns red in flame tests.
Red is a color. It appears when a substance is capable of absorbing every color of light except red.
Hire accountants.
Blood is a red substance in ur body!
Haemoglobin.