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no, solutions are not pure substances because all though they may look that way to the naked eye, the definition of a solution is a mixture where one substance has completely dissolved into the other. such as salt water. you can see only the water but you know the salt is there because when it dries out, the salt is left over.
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Is formaldehyde a homogeneous?
Yes. Formaldehyde is a chemical compound, which is a pure substance, and pure substances, in addition to solutions, are homogeneous.
Substances are divided into two classes?
Some people divide matter into pure substances and mixtures. Pure substances are elements and compounds. Mixtures include homogeneous and heterogeneous mixtures. Some people divide matter into homogeneous matter and heterogeneous matter. Homogeneous matter includes pure substances and homogeneous mixtures (solutions). Heterogeneous matter is heterogeneous mixtures.
What is the definition of impure substances?
Substances that are not pure.
Are most substances around us pure substances ao mixture?
There are very few pure substances around us. Most substances are mixtures, or compounds.
Are all substances are elements?
Yes my friends. All elements are pure substances that cannot be broken down. However, pure substances aren't all elements.
What are pure substances solutions homogeneous mixtures colloids or compounds?
Compounds and solutions are pure substances
How are mixtures and pure substances alike?
They are not alike in any way, Because of the carbonic sulfur.
How are pure substances and solutions different?
the name is much different then the other
Why are solutions mistaken for a pure substances?
Unlike a pure substance, a solution has at least two compounds which are the solute and the solvent.
Are HCl aq NaCl aq HCl g and NaCl s substances?
If you mean pure substances then:HCl(aq) and NaCl(aq) are not pure substances but solutions. The (aq) means the substance is dissolved in water.HCl(g) and NaCl(s) is are pure substances
What are pure substances A solutions Bcompounds C homogeneous mixtures D colloids?
compounds
Is formaldehyde a homogeneous?
Yes. Formaldehyde is a chemical compound, which is a pure substance, and pure substances, in addition to solutions, are homogeneous.
Into what two broad classes can all matter be divided?
Pure substances (elements and compunds) and mixed substances (mixtures, solutions, alloys).
Substances are divided into two classes?
Some people divide matter into pure substances and mixtures. Pure substances are elements and compounds. Mixtures include homogeneous and heterogeneous mixtures. Some people divide matter into homogeneous matter and heterogeneous matter. Homogeneous matter includes pure substances and homogeneous mixtures (solutions). Heterogeneous matter is heterogeneous mixtures.
Why are milk and fruit juices not considered pure substances?
They are aqueous solutions of various compounds in water, so they consist of many separate pure substances. Many of these can be separated by simple physical means (filtering, evaporating, centrifuge).
Are all solutions pure substances?
no, solutions are not pure substances because all though they may look that way to the naked eye, the definition of a solution is a mixture where one substance has completely dissolved into the other. such as salt water. you can see only the water but you know the salt is there because when it dries out, the salt is left over.
is brine solution a pure substances?
A brine is a simple and pure solutions of salt and water. It is used most often in cooking and meat is usually submerged to help the meat to be moist.
