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There are several ways in which elements can be separated by physical methods. Centrifuge If you grind an ore to sufficient fineness, you can use a centrifuge to separate an element based on its specific gravity. Panning is a more primitive version of this basic method. Gaseous Diffusion You can also heat an ore to the temperature at which a particular element becomes gaseous and separate it out.
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What means distinguish a mixture from a compound?
A mixture is a physical combination of two or more substances that can be easily separated using physical methods. A compound is a substance formed when two or more elements chemically bond together in a fixed ratio, and it cannot be separated by physical means.
Can elements be separated by chemical means?
Yes, elements can be separated by chemical means through techniques like electrolysis, fractional distillation, or precipitation. These methods exploit differences in properties such as boiling point, solubility, or reactivity to separate elements from a mixture.
Pure substances can be separated by physical means. true or false?
False. Pure substances cannot be separated by physical means. They are chemically uniform and do not contain any impurities that can be separated through physical methods like filtration or distillation.
What is the basic difference between a mixture and a compound?
Mixtures are composed of numerous compounds. They can be separated through physical means (no chemical reactions needed.) Compounds are chemically bonded, so they can't be separated physically. You would need to do things like electrolysis.
Why is sodium chloride a compound and not a mixture of sodium and chlorine?
Sodium chloride is a compound because it is formed by a chemical bond between sodium and chlorine atoms. In a compound, the elements are chemically bonded in fixed proportions, creating a new substance with different properties than its components. A mixture, on the other hand, is a physical combination of substances that can be separated by physical means. Sodium chloride cannot be separated back into its original elements by physical means.
What cannot be seperated by physical means?
Elements
What can be seprated by chemical means but not by physical means?
The elements of a chemical compound can be separated only by chemical means, but not by physical means.
What cannot be separated into its individual elements by physical means?
Chemical compounds or molecules cannot be separated into their individual elements by physical means. These substances require chemical reactions or processes, such as electrolysis or heating, to break the bonds between their constituent elements.
Can a compound be separated by a physical means?
no, it can not be separated by a physical process.
Are elements separated by a physical process chemically bonded?
No. If two elements can be separated by a physical process then they are simply mixed.
A sample that cannot be separated into two or more substances by physical means is what?
A sample that cannot be separated into two or more substances by physical means is a compound. A compound is made up of 2 or more elements which cannot be broken down by physical means.
What means distinguish a mixture from a compound?
A mixture is a physical combination of two or more substances that can be easily separated using physical methods. A compound is a substance formed when two or more elements chemically bond together in a fixed ratio, and it cannot be separated by physical means.
What is the difference in separating a compound and a mixture into their component elements?
The components of a mixture can be separated by physical means, such as filtration or distillation. The components of a compound can be separated only by chemical means, meaning a chemical reaction.
Why can't the elements of a compound be separated from one another by physical means?
The elements of a compound cannot be separated from one another by physical means because they are chemically combined. Separation of compounds is done using chemical means.
What is a mixture and how is it different from a compound?
a compound is a substance containing 2 or more different types of elements while a mixture is a substance containing 2 or more different materials. ------------------------------------------------------------------ The components of a compound can not be separated by physical means, the components of a mixture can be separated by physical means.
What is a mixture and how is different from a compound?
a compound is a substance containing 2 or more different types of elements while a mixture is a substance containing 2 or more different materials. ------------------------------------------------------------------ The components of a compound can not be separated by physical means, the components of a mixture can be separated by physical means.
When two or more elements are mixed together and cannot be separated by physical means is called a?
You probably think to the preparation of a chemical compound.
