Answer:
The sand bath spreads the heat out so that the flask is heated evenly. This reduces the chance of the flask breaking and ensures that there are no hot spots in the reaction mixture which could lead to excessive charring,
Explanation:
Answer:
oxygen
Explanation:any reaction with burning involves mixing oxygen
this is correct
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The correct answer is C because diffusion is the movement of molecules from an area of higher concentration to an area of lower concentration.
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