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Intelligent people who have more of two chemical elements in their hair than less intelligent people what are they?
There is no scientific evidence to suggest that the levels of specific chemical elements in hair are directly correlated with intelligence. Intelligence is a complex trait influenced by a variety of genetic, environmental, and societal factors.
Is colouring hair a physical or chemical change?
Coloring hair is a chemical change because it involves a chemical reaction between the hair dye and the hair strands, altering the composition of the hair.
Are iron and silicon chemical compounds?
Iron and silicon are elements, not chemical compounds. Chemical compounds are formed when elements combine in specific ratios through chemical bonds.
Is bleaching your hair physical or chemical property?
Bleaching your hair is a chemical process, not a physical property. The chemicals in hair bleach work to break down the natural pigments in your hair, resulting in a lighter color. This change is due to a chemical reaction rather than a physical characteristic of the hair itself.
Is Grey hair is dyed to a red colour physical or chemical change?
Dyeing grey hair to red is a chemical change. The hair dye chemical reacts with the proteins in the hair to change its color permanently.
