Examlex
According to Piaget's stage theory of cognitive development, what stage characterizes children between the ages of 2 and 7?
Acetone
A volatile, colorless solvent widely used in organic chemistry and as a nail polish remover, known for its ability to dissolve many plastics and synthetic fibers.
Reactive Intermediate
Transitory species that are formed during a chemical reaction and participate in further reaction steps until the final products are produced.
Oxidation
The process where a substance undergoes an increase in its oxidation state, often associated with the addition of oxygen or removal of hydrogen.
Reduction
A chemical process where a molecule, atom, or ion acquires electrons or undergoes a reduction in its oxidation state.
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