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Is sieving most useful?
give examples of physical and chemical change
In which country are the people least likely to change their physical environment?
In which country are the people least likely to change their physical environment?
Why is density is a useful physical property for identifying substances?
Density is useful for identifying an unknown material because it is a physical constant. A physical constant is a unique characteristic of the material in question. This constant never change or vary with the shape or amount of the material/substance.
What type of change is melting steel?
The simple act of melting the steel is a physical change. No one melts steel out of boredom. If the melt is so you can add other elements to it, then you've made a chemical change. If you're forming useful products from the steel without changing its chemistry, it's a physical change.
Is it a physical change chemical change when salt dissolves in water?
Physical
How physical change useful to people?
tai mo baho
How physical change are useful to people?
because you are a old me is a kid
What are the useful effects of physical change?
one of them is weather
Is sieving most useful?
give examples of physical and chemical change
What is the energy in a chemical or physical change that is available to do useful work?
Free energy
In which country are the people least likely to change their physical environment?
In which country are the people least likely to change their physical environment?
Why is density is a useful physical property for identifying substances?
Density is useful for identifying an unknown material because it is a physical constant. A physical constant is a unique characteristic of the material in question. This constant never change or vary with the shape or amount of the material/substance.
Is squeezing a lemon a physical or chemical change?
It's a physical change why are some people f$#@%ing stupid and saying a chemical change??
How is a physical change useful to people?
I got no idea can someone please answer it ? Examples with water: * change from liquid to solid - preparation of ice * change from solid to liquid - melting of ice from the streets, defreezing of the refrigerator or windows * change from liquid to gas - evaporation of water from washed clothes
How a physical change useful to people?
I got no idea can someone please answer it ? Examples with water: * change from liquid to solid - preparation of ice * change from solid to liquid - melting of ice from the streets, defreezing of the refrigerator or windows * change from liquid to gas - evaporation of water from washed clothes
How is a chemical change useful to people?
To make people's lives easier and more comfortable
Is origami a physical or chemical change?
It is a Physical change
