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What list is composed of substances widely used for many years without apparent ill effects?
Wiki User
∙ 11y ago
The GRAS list
Wiki User
∙ 11y ago
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How bright a star appears as seen earth is called?
Apparent magnitude is the brightness of an object as seen from Earth without any atmosphere.
What do two or more substances form when they come together without forming a new substance?
These substances form a mixture.
What do the words spontaneous combustion mean?
It is sudden combustion caused without any apparent reason
Why is it helpful to know the the physical and chemical properties of a substance?
In is impossible to work with materials, substances etc. without a deep knowledge of all chemical and physical properties. And all around us: foods, building materials, electronics, cars, drugs are composed from materials with specific properties.
What is the movement of substances without the use of energy by the cell?
Passive transport.
What you mean by accident?
Accident is anything that happens suddenly or unexpectedly without apparent cause but with marked effects.
what is a chemistry?
Inorganic chemistry is the study of chemical compounds without carbon in the molecue (but by tradition several carbon containing compounds are included in the inorganic chemistry).
What are natural insecticide?
Something from nature that can be used effectively as a pesticide without any additives.
How are mixtures differ from substance?
Substances cannot be separated without breaking chemical bonds, whereas mixtures are composed of substances not chemically bonded together.Naturally occurring sulfur crystalsSulfur occurs naturally as elemental sulfur, sulfide, and sulfate minerals and in hydrogen sulfide. This mineral deposit is composed of a mixture of substances.Key PointsA substance is composed of one type of atom or molecule.A mixture is composed of many different types of atoms or molecules.A mixture may contain several substances.Niharika Agarwal Haldiram
What substances combine without a chemical reaction?
These substances are called reactants.
Why crystalline substances are not transparent at all?
This question is based on a false premise. Many crystalline substances are transparent, for example ice, quarts (in puure form, without falts etc.). Non transparent or translucant crystaline substances are probably so because of the way the crystal structure effects light entering the substance.
What is a accident definition?
An event that happens without apparent cause.
How bright a star appears as seen earth is called?
Apparent magnitude is the brightness of an object as seen from Earth without any atmosphere.
Are there Substances without covalent bond?
Ionic and metallic substances both do not have covalent bonds!
Definition for Milling around?
Moving about randomly without apparent purpose.
What is the apparent magnitude of a main sequence star?
The apparent magnitude depends on distance, and without that information, it's literally impossible to tell what it might be.
What effects does oxygen have on the earths atmosphere?
Without its oxygen content the Earth's atmosphere would be composed almost entirely of nitrogen and would be chemically inert; oxygen causes the atmosphere to be chemically active (and breathable by humans).
