Which of the following statements in each number is false? 1. In a sedimentation process, the solid particles settled at the bottom of the container because they are heavier than water and are acted upon by gravity. In the process of distillation, the condenser helps in the conversion of the vapor that goes inside it into liquid. After filtering a mixture using a filter paper, there is more solute at the bottom of the container compared to the contents of the filter paper. In the reaction between dry ferrous sulfate and dry potassium ferricyanide, no change is observed.
Which of the following statements in each number is false? 1. In a sedimentation process, the solid particles settled at the bottom of the container because they are heavier than water and are acted upon by gravity. In the process of distillation, the condenser helps in the conversion of the vapor that goes inside it into liquid. After filtering a mixture using a filter paper, there is more solute at the bottom of the container compared to the contents of the filter paper. In the reaction between dry ferrous sulfate and dry potassium ferricyanide, no change is observed.
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Which of the following statements in each number is false?
1. In a sedimentation process, the solid particles settled at the bottom of the container because they are heavier than water and are acted upon by gravity.
In the process of distillation, the condenser helps in the conversion of the vapor that goes inside it into liquid.
After filtering a mixture using a filter paper, there is more solute at the bottom of the container compared to the contents of the filter paper.
In the reaction between dry ferrous sulfate and dry potassium ferricyanide, no change is observed.
2. The distillation process ensures that contaminants are left in the boiling vessel, which results in a cleaner and more pure water in the collection vessel.
Sedimentation is a chemical water treatment process using gravity to remove suspended solids from water.
The potability or “drinkability” of tap water varies from place to place.
Colloids are not likely to settle naturally because of Brownian motion and electrostatic forces balancing the gravity.
3. The addition of 5 drops of the silver nitrate solution into the distillate determines whether the distillate is impure or pure water.
In the distillation process, the absence of a reaction when the distillate is mixed with the silver nitrate solution indicates that the distillate is pure water.
In a simple distillation set-up, the cooling water exits at the bottom part of the condenser.
The addition of salt in the distilling mixture made the water impure and saline.
4. An acid turns a blue litmus paper to red.
An acid turns a red litmus paper to blue.
A base turns a red litmus paper to blue.
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