Is the setting of concrete a physical or chemical change?

Answer 1

It's a physical change.

It's a chemical change. The concrete hardens through a chemical reaction called hydration :)

Its a physical change. The Chemical change already happened when the water was added. The concrete powder became hydrated turning it into usable concrete.

Answer 2

'NO' hardening of cement does not effect in any physical change

hardening is nothing but to get converted into stiffened stage from plastic stage where in it can able to resist small loads or ability to carry loads

Answer 3

Mixing cement is both a physical and chemical change, since you add "ingredients" including water to make a thick mixture. Think of taking ice cream, sliced bananas and milk to make a banana milkshake... same process to make a thickened "solution". Laying cement and letting it completely dry is primarily a physical change.

Answer 4

yes because it cannot turn back into what it was therefore chemically changing.

Answer 5

physical.......very physical

The curing of cement is a chemical change, bonds are formed between molecules - you can detect this by the heat being released.

Answer 6

it is a chemical change because a new hard substance is formed from the powder

Answer 7

Setting of cement involve chemical changes.

Answer 8

This is a chemical change.

Answer 9

Your nipples go hard.

Answer 10

it is a chemical change.