Signs of a Reaction Crossword Puzzle
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QUESTIONS LIST:
- reaction : a change where new substances are formed.
- precipitation : solid that forms when two solutions react.
- hydrogen : the gas produced when magnesium reacts with hydrochloric acid.
- physical : the type of change where no new substance is formed.
- bubbles : what you may see when a gas is produced in a reaction.
- temperature : this may increase or decrease during a reaction.
- product : a gas is one example of a new _ produced by a reaction.
- magnesium : the metal that burns with a bright white light.
- chemical : the type of change in which new substances are formed.
- exothermic : to describe when heat energy is released
- endothermic : to describe when heat energy is taken in from the surroundings
