0
The kinds of changes in substances that are always physical changes are changes in the state. This is the change from solid, to liquid and then to gas and the reverse.
Obie Ondricka
Wiki User
∙ 15y agoeach substance has a density that differ from the densities of other substance.
Wiki User
∙ 9y agoThe kinds of changes in substances that are always physical changes are changes in the state. This is the change from solid, to liquid and then to gas and the reverse.
Wiki User
∙ 12y ago1. changes of state from solid to liquid to gas and back
Wiki User
∙ 10y agono new substance is formed
Add your answer:
Earn +20 pts
What are two kind of changes in matter?
The two types are chemical and physical changes.
Can you reverse physical changes?
Physical changes, those changes that do not involve chemical changes or nuclear changes, can be reversed, though doing so may be difficult in some cases. To cite a single example, water can be frozen and then thawed. Or it can be boiled off and then condensed.
When matter changes state does become a different kind of substance?
Changes of state of matter are physical processes, the molecule remain unchanged.
What is a physical versus chemical change?
A PHYSICAL CHANGE MEANS CHANGE IN EXTERNAL APPEARANCE .A CHEMICAL CHANGE MEANS THE CHANGE IN THE PARTICLES BY WHICH IT IS MADE up OF.Physical Changes are d changes which are reversible .In this change we can get the products back. eg-Mixing of water and salt ,we can get salt back .Chemical changes are d changes which are irreversible . In this change we cannot get the products back . eg- Burning of candle , we cannot get the matchstick back after burning .
What kind of change such as a change of state the substance of the whole changes but its underlying structure remains the same?
In changes in which the molecular structure of a substance remains constant, such as changes of state, we often refer to these changes as Physical Changes. If the molecular structure is altered it would be a Chemical Change.
What kind of changes in substance are always physical changes?
each substance has a density that differ from the densities of other substance.
Is a match ignites to form ash and mixture of gases a physical or chemical changes?
Ignition of any kind is always a chemical change.
What are two kind of changes in matter?
The two types are chemical and physical changes.
What kind of change occurs with no new substance being formed?
physical changes
A kind of change in matter that produces a new substance?
Nuclear and Chemical changes result in new substances.
What kind of variable is always changing?
the y variable always changes and x is constant
Changes in which no new kinds of matter are produced is called?
A chemical change. Chemical changes can also be indicated if energy is given off. Physical changes on the other hand do not produce energy or produce new substances.
Can you reverse physical changes?
Physical changes, those changes that do not involve chemical changes or nuclear changes, can be reversed, though doing so may be difficult in some cases. To cite a single example, water can be frozen and then thawed. Or it can be boiled off and then condensed.
Why does buttermilk look kind of like yogurt?
what are the physical changes occur in yogurt making
In terms of chemical bond and electrons what kind of changes occur between atoms when substances undergo chemical reaction?
hi
When matter changes state does become a different kind of substance?
Changes of state of matter are physical processes, the molecule remain unchanged.
What is true of all physical changes?
they all change matter and shape color texture kind of stuff.
