Chemistry, 27.07.2021 19:00 palomaresmitchelle
During an experiment the students prepared three mixtures A)Starch in water B) Sodium chloride solution C) Tincture of Iodine. i) Students observed a visible beam of light through mixture A. Why? ii) Tincture of Iodine did not show Tyndall effect . Explain reason. iii) How can you relate particle size to Tyndall effect?
Answers: 2
Chemistry, 22.06.2019 18:00
Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?
Answers: 2
Chemistry, 23.06.2019 14:00
Ahas distinct properties and composition that never vary.
Answers: 1
During an experiment the students prepared three mixtures A)Starch in water B) Sodium chloride solut...
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