Table salt [sodium chloride], sugar [sucrose], water [H2O], Oxygen[O2] A pure substance is a substance that has a fixed composition and differs from a mixture in that every sample of a given of a pure substance has exactly the same characteristic properties and compositions.
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No. For example the number 1+i. Pure imaginary complex numbers are of the form 0 + a*i, where a is a non-zero real number.
Water. Not clean or pure or fresh water, but ALL water.
If, and only if, the substance is pure water, then 1Imperial Quart = 2Pint = 2x568 ml 1USAPint = 473 ml and these ml of volume are exactly a gram each in weight if it is pure water. Answer :- call the millilitres grams Grams are a measure of weight while quart measures volume. The two are not comparable unless, as pointed out in the answer above, you are dealing with a specific substance.
An example of a quantitative observation is measuring the temperature of a substance using a thermometer and finding it to be 25 degrees Celsius.
A physical property is a characteristic of a pure substance. Water is an example of a pure substance.
Yes, pure water is an example of a substance that is free from impurities and contaminants.
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iron nails
An example of a pure substance is water. Water is considered a pure substance because it is made up of only one type of molecule, which is H2O. It does not contain any impurities or other substances.
No, it's a mixture.
oxygen is an example of a pure substance because a pure substance is made up of one kind of matter and it cannot be broken down into smaller parts.
A pure substance has only one kind of particle. Sulfur is an example of a pure substance.
No. Air is not pure substance. Air has all dust and dangerous gases with it. From place to place its composition changes.
A sealed glass vial containing pure distilled water is an example of a container filled with a pure substance. Since the vial only contains water molecules and no other substances, it is considered a pure substance.
An example of a pure substance in everyday life is distilled water. It consists of only water molecules with no other substances or impurities present.
Calcium is an example of a pure substance known as an element, specifically a metal. Carbon is also a pure substance, but it is an element that belongs to the non-metal group.