Answer:
refractors and reflectors
Explanation:
Decomposition and synthesis is the answer
Simple distillation is a method for separating the solvent from a solution
EXAMPLE: water can be separated from salt solution, because water has a much lower boiling point than salt. When the solution is heated, the water evaporates.
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➷ It would depend on whether they would create an endothermic reaction or exothermic. For a hot pack, the chemicals would need to release energy (heat). However, a cold pack would need chemicals that need to draw heat from the surroundings to produce a cool sensation.
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➶ Hope This Helps You!
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