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How does using cold water below 55 degrees in a chlorine sanitizer solution impact the solution?
Concentration
When small gold flakes are removed from a water solution by filtering the solution is this a chemical change?
No. Filtartion of any kind is not often a change at all, simply a separation of two compounds.
which of the following best describes a solution that contains a buffer?
sodium hydroxide, a base, is added to the solution, but the pH of the solution does not change.
Is a solution a physical or chemical change?
A solution is not a change; a solution is represented by a solute dissolved in a solvent; but dissolving (without chemical reaction) is a physical process.
What is the definition of sanitizer?
Cleaning with a solution or method that will kill bacteria.Cleaning with a solution or method that will kill bacteria.
How often do you change a wet sanitizer?
two hours
Sanitizer must be made and used correctly to work right Which of the following is a correct way to make or use a sanitizer?
Change the sanitizer often to make sure it stays clean and fresh
Is it possible to use too much sanitizer in your sanitizing solution?
no
How does using cold water below 55 degrees in a chlorine sanitizer solution impact the solution?
Concentration
Is it posible to use too much sanitizer in your sanitizing solution?
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What ratio of quaternary sanitizer is necessary to achieve a true sanitizing solution?
200 ppm
What can you get permanent marker off a mirror with?
a dish detergent and hand sanitizer solution works well.
Is maple syrup a solution suspension or colloid?
Maple syrup is a solution.
When small gold flakes are removed from a water solution by filtering the solution is this a chemical change?
No. Filtartion of any kind is not often a change at all, simply a separation of two compounds.
What kind of chemical reaction is hand sanitizer?
The evaporation of hand sanitizer is an endothermic reaction. This phase change, from liquid to vapor requires heat and the alcohol takes the heat from your hand to evaporate. Therefore you feel cooler. It is a physical change, not a chemical change.
What type of hazard can result from using to little sanitizer solution or exposure time to the food contact surface?
Chemical
Is hand-sanitizer a solution?
studies have shown hand sanitizer DOES NOT replace hand washing and in some cases may cause cancer.
