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Is helium gas a pure substance or mixture?
Helium is pure as it is on the periodic table.
When a substance change into a different substance a change has occurred?
Chemical Change.
Is helium a pure substance or a homogeneous or heterogeneous mixture?
Helium is an element which makes it a pure substance.
Is helium and example of heterogeneous?
No, helium is not an example of a heterogeneous substance. Helium is a pure element, which means it is uniform in composition throughout and does not contain different types of molecules or substances mixed together.
What has more chemicals helium or air?
Air has many more different substances than helium, which is a single substance. Outside air contains helium.
Related Questions
Is helium gas a pure substance or mixture?
Helium is pure as it is on the periodic table.
When a substance change into a different substance a change has occurred?
Chemical Change.
What is a change in substance in an entirely different substance?
chemical change
Is helium gas substance or mixture?
Helium gas is a pure substance
Is helium gas a mixture or substance?
Helium gas is a pure substance
What change occurs when a substance changes into a different substance?
Chemical Change
When substance changes into a different substance a change has occurred?
Chemical Change.
When a substance changes into a different substance a change what has occurred?
Chemical change.
. When a substance changes into a different substance a change has occurred.?
Chemical Change.
When a substance changes into a different substance a what change has occurred.?
Chemical change.
Is the helium in a balloon a substance or a mixture?
Helium is an element (and therefore a pure substance) yes
When a substance changes into a different substance a what change has occurred?
Chemical change.
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