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Changes in State

why is the ro...

Question

why is the round bottom flask and not a flat bottom flask used for heating liquid reactants ?

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Solution

Round bottom flask allows more uniform heating of the liquid as compared to flat bottom flasks as the liquid cannot be still in a round bottom flask.
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Q. If you use a orange colored flame for heating a flask and it blackens the bottom of the flask, what should be corrected to solve this problem?

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Q. The apparatus required to perform the experiment to show the evolution of carbon dioxide during respiration includes:

(1) flat-bottom flask,rubber cork , small glass tube, water,KOH solution,delivery tube ,germinating seeds,thread,vaseline, small beaker

(2) round-bottom flask,rubber cork, boiling tube,water,NaOH solution, delivery tube ,dry seeds, thread, vaseline, small beaker

(3) measuring-flask, rubber cork,small glass tube,water,Na₂CO₃solution,delivery tube,germinating seeds, thread,vaseline,small beaker

(4) flat-bottom flask, rubber cork, small glass tube,water,KOH solution, delivery tube, dry seeds,thread, vaseline,small beaker

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