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Starch will begin to be broken down into simpler polysaccharide molecules by salivary amylase. The enzyme lipase is also present in saliva but is usually inactive at the pH of saliva (around pH 6.2) and consequently will not act upon lipids (fats and oils) until it reaches the stomach where the pH is lower (and nearer to the enzyme's optimum PH.)
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How do you explain the phrase like dissolves like in terms of polar and nonpolar substances?
Polar substances dissolve other polar substances, and nonpolar substances dissolve other nonpolar substances. A polar substance cannot dissolve a polar substance and a nonpolar substance cannot dissolve a polar substance.
What two substances dissolve in water?
Salt and Sugar dissolve in water.
What types of substances dissolve in water?
In general, polar molecules. Oil, a no polar substance, does not dissolve in water.
How do the properties of water account for the large number of substances that dissolve in water?
Water is a polar substance, which means that any other polar substances will dissolve in it. The opposite is mineral turpentine which is non-polar so all non-polar substances dissolve in it.
What solid substances dissolve in liquid?
what is mixtures
What are substances that do not seem to dissolve called?
Substances that do not dissolve are insolubles, because they are not soluble they do not dissolve.
How do jolly ranchers dissolve?
Saliva in your mouth makes the jolly rancher dissolve.
What liquids will dissolve wood?
Saliva
What is 'like dissolves like'?
The chemistry principal of "like dissolves like," explains that polar substances will dissolve in each other. Similarly, a covalent will dissolve another covalent.
Why is food edible?
Food consists of edible substances, by definition. Things that are not edible are not considered food.
How do you explain the phrase like dissolves like in terms of polar and nonpolar substances?
Polar substances dissolve other polar substances, and nonpolar substances dissolve other nonpolar substances. A polar substance cannot dissolve a polar substance and a nonpolar substance cannot dissolve a polar substance.
What are substances that dissolve in water?
Nutilite's vitamins dissolve in water.
Does all substances dissolve equally?
No. Some substances dissolve perfectly and are called homogeneous. Others do not and are called Heterogeneous.
Are polar and non polar liquids soluble?
Generally not. The general rule to go by is like dissolves like. Polar substance will dissolve other polar substances while nonpolar substances will dissolve other nonpolar substances.
What two substances dissolve in water?
Salt and Sugar dissolve in water.
Why is soap used in washing?
Many different substances dissolve easily in water, but there are some which don't, particularly oily substances. Soap makes these substances dissolve in water.
What are substances that dissolve?
They are called solutes
