Question

what name is given to the substance which do not burn ?​

Answer 1

Answer:

A chemical substance is a form of matter having constant chemical composition and characteristic properties.Some references add that chemical substance cannot be separated into its constituent elements by physical separation methods, i.e., without breaking chemical bonds.Chemical substances can be simple substanceschemical compounds, or alloys. Chemical elements may or may not be included in the definition, depending on expert viewpoint

Answer 2

Non- Combustible substances do not burn.

• When exposed in the form in which it is used to ignite or heat and in the conditions expected, Non-combustible materials do not burn, ignite or facilitate combustion in any way, or emit flammable gases.

• Combustibility is a measure of how quickly a substance may catch fire or be consumed by fire.
• The essential criteria for non-combustible substances is that they are not combustible. The ignition temperature of combustible compounds is quite low.
• Non-combustible materials include, for example cement concrete, water, gypsum concrete, sand, soil, and magnesite.