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Can all mixtures be changed back into the substances from which they are created?
Wiki User
∙ 7y ago
Yes, because the substances can be separated apart physically.
Gonzalo Abernathy
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What are advantages and disadvantages of separation techniques of mixtures?
one of the advantages may be that we make use of these new substances given back to us as we seperate, we use them effectively.
What mixtures can be separated by filtration?
For example a mixture of solid materials.
How do elements and compounds compare to a mixture?
In a mixture the two materials are combined but they do not bond, or react with each other, indeed they can only be formed by mechanically mixing the two substances. Mixtures can often be separated back into the original materials. The properties of a mixture are close to those of the two materials that make up a mixture. A compound is formed when two substances are chemically bonded to each other. These have different physical and chemical properties from the substances they were made from. These are also harder to return to the original substances.
Melting of butter can be change reversed back?
Yes, it can be brought back to solid by cooling. Because butter has only changed its state, which is a type of physical change. But some substances solids change their chemical composition instead of changing to liquid form, like Sugar. Sugar on heating turns red then black. Sugar cannot be brought back to its white solid form by cooling.
How can the copper be changed back into a solid?
Add heat Energy
Can substances that have undergone a physical change be changed back to their original state?
Yes
What are advantages and disadvantages of separation techniques of mixtures?
one of the advantages may be that we make use of these new substances given back to us as we seperate, we use them effectively.
Gas forms when two liquids are mixed is that a chemical change?
Physical reactions: freezing, boiling, evaporation, condensation etc. Chemical reactions: eg. heating, baking, decomposition etc. Physical mixtures - mixtures in which the substances are easy to separate and get back (done by physical reactions) eg. flour and rice grains - you can sieve them. Chemical mixtures - mixtures in which the substances are hard to separate and get back (done by chemical reactions) eg. cakes - u cant get the eggs and other stuff back.
Can you get back burnt substances to their original state?
No, you can't get back burnt substances to their original state as combustion is an irreversible reaction.
What mixtures can be separated by filtration?
For example a mixture of solid materials.
Which physical changes reversible?
reversible changes are substances that can be changed from one thing to another then back to the other thing again, like ice, when you heat ice it becomes a loquid, but if you put the ice back in the freezer then after a while it becomes a solid again, your welcome. :)
What are some inventions that were created between 1750 - 1950?
coca-cola was invented. however, you can not get coca cola like it was back the. it was made with illegal substances (interesting fact:) )
How are mixtures and compounds alike?
A mixture is formed from compounds but both are formed from atoms.
A physical change is described as this?
An object that is changed and can be changed back like silly putty. Chemical change is when an object is changed and cannot be changed back. ex. egg cracking
Can mixtures be heterogeneous and homogeneous?
I think you can if you take the solids then liquids out to evaporate and then you will have the individual ingredients back together.
What substances make up the back bone of DNA?
plasma
What are Reversible objects?
If something is reversible it can be changed back . Melting is a reversible change - the liquid can be changed back into a solid by freezing
