unknown6669
29.08.2019 •
Biology
Astudent wanted to find out if different mixtures would result in an ice cube floating on a different height than only using water he can rated solutions of salt water sugar water and water with potassium added to it be used in ice cube tray to create ice cubes that we're all the same volume and mass what is the
independent variable
dependent variable
constant
explain what could the student use as a control for this experiment
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Ответ:
Let it be at A. Now heat the flask. As water gets heated in flask, the level of water in the tube rises from A to B. This proves that liquids expand on heating.
Explanation: