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the hollow block is a chemical change

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12y ago

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Is hollow block a physical change?

No, hollow block is not a physical change. A physical change refers to changes in the state or appearance of a substance without altering its chemical composition. However, hollow block is a building material made from a mixture of cement, sand, and other aggregates, which undergoes a chemical change (hydration) during the curing process.


Does a melting block of ice experience a chemical of physical change?

It is a physical change: change of state of matter from solid to liquid.


Is a block of ice changing from a solid to a liquid a physical change?

Yes, the process of a block of ice changing from a solid to a liquid is a physical change because the chemical composition of water remains the same during this transition. The change in state from solid to liquid is reversible.


Is a pellet of sodium is sliced in two a physical change or a chemical change?

Physical, because each slice of pellet is still the same chemically: you have merely divided your one sodium block into two blocks of sodium. If it were chemical, some kind of notable chemical difference would have occurred (you would no longer have sodium, but something else).


Is a blue block physical or a chemical property?

physical


Is blue block a physical property or chemical property?

physical


Why does physical change differ from a chemical change?

As a basic example: When a block of ice melts into water, the change is physical (solid to liquid) yet the chemical contents of the ice/water remains unchanged. If a lot of salt is then dissolved in the melted water, it is still water, yet it has changed chemically into a saline (salty) solution. The added salt will increase the water's density - which could be a physical change!


What are the differences between the physical and chemical?

in changes. Physical changes can be reversed. E.g. if you were to melt a block of ice, and then freeze it again, it would to some degree be reversed. This is a physical change. However, if you were to burn a peace of toast, the change would be chemical. Once the toast is burnt you cant get it back.


What is the weight of a hollow block?

1.5kg


What is the weight of one Concrete hollow block of size 400 x 200 x 200?

The answer depends on how much of the block is hollow.


What chemical is use to harden concrete hollow blocks up to 1200 pounds per square inch?

flube block master,,,an italiyan product


Will a 7.62mm travel through an engine block?

That depends if hollow point or jacketed and what size engine block.That depends if hollow point or jacketed and what size engine block.