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A pure substance is one that comprises either just one element or just one compound with nothing else mixed in. Thus:-
Distilled water is a pure substance,
Salt water is a mixture,
24 carat gold is a pure substance,
White gold is a mixture.
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∙ 14y ago
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Is chalk a mixture or pure substance?
It's a pure substance because even though the atoms are different they still the same. If that makes sense?
Is sodium bicarbonate a pure substance or mixture?
Sodium bicarbonate is a pure substance. It is a compound composed of sodium, hydrogen, carbon, and oxygen elements in fixed ratios, making it a pure chemical substance.
How many kinds of matter does a pure substance contain?
If it is a pure substance, than only one! Now that pure substance may contain many different elements (as many elements can make up a single pure compound), but a pure substance means only one compound.
What makes a pure substance a pure substance?
A pure substance is made up of only one type of atom or molecule, meaning it has a consistent and uniform composition throughout. This distinguishes it from mixtures, which contain varying proportions of different substances. Examples of pure substances include elements like gold and compounds like water.
Is limestone a pure substance or a mixture?
Pure substance
What is a pure substance classified as?
A pure substance is classified by having a definite and constant composition. The substance can be either an element or a compound, but what makes the substance pure, is that it does not vary.
Is ice a pure mixture?
If there is no salt or substance that makes it impure it is a pure mixture
Is purified water a pure substance?
Yes, purified water is a pure substance because it consists of only water molecules with impurities removed through processes like distillation or filtration. This makes it a homogeneous mixture with a consistent composition.
Why is aluminum a pure substance?
Only a single component makes up aluminum foil, which is the aluminum element. Hence, aluminum foil is considered as a pure substance.
When sugar is added to water does this make a pure substance or a mixture?
It makes a mixture.
Is liquid plus air a pure substance?
No, a mixture of liquid and air is not a pure substance. It is a heterogeneous mixture consisting of two or more substances that can be physically separated.
Is acetone a pure substance or mixture?
pure substance, propanone
Is a helium a heterogeneous?
No, helium is a pure substance and an element to be more specific. It has a constant composition making it a pure substance and it is homoatomic (has only one type of atom) which makes it an element.
Is chalk a mixture or pure substance?
It's a pure substance because even though the atoms are different they still the same. If that makes sense?
What makes elements a pure substance?
becoz it contain only one types of atoms.
Is a tin a pure substance?
Pure substance
Is a lemon a pure substance?
it is a pure substance.... not
