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info@snapandsolve.comDifferent solutions produce different colors of light because the electrons in the atoms of each element absorb energy and move to higher energy levels. When they return to their original levels, they release energy in the form of light. The wavelength (and thus color) of this light depends on the energy difference between the levels, which varies between elements.
To produce green fireworks, a compound containing barium, such as barium chloride (BaCl2), is typically used. However, the handwritten answer suggests CuCl2 (copper(II) chloride), which can also produce green colors.
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