Proven by a assosiative scientific teacher:
Signs of physical changes can be quite numerous,
but the main numbered would be the following---
chemical:
color change
fizzing structure
bubbled buildings
chemical rearranged(nonsense as in disappear)
cannot be reserved
and a frequent suiren tempetarure change
dr.phd.danniel@Yahoo.com
the size will change
hot steam or bubbles will occur
liquid may change colors but still smell the same
the two substances may be mixed but neither one will dissolve
hope this helps!
Indicator of a physical change would be thier spontanity in the reversibility and also no new product is formed,but in chemical change a whole new product is formed and are not easily reversible.
weight, size, Shape, height, state, matter
The major indicator of physical change is that they are reversible so you can get materials easily like solution of salt in water can be got by evaporation to dryness or crystallization
tang na nio
No, a chemical change. Taste and smell are indicators of chemical composition, so a change in those would indicate a chemical change.
No it is not, as the ice will still retain its chemical properties. This is an example of a physical change. Remember that the indicators of a chemical change are a change in colour, a change in odour, a change in temperature, the formation of a precipitate, or a gas being given off.
pH indicators change their color according to the pH of a solution.
Intrnal indicator
No. Nor are they necessarily indicators of ambient temperature change.
indicators of a chemical reacton include color change, heat given off, and gas produced. indicators of a physical change are phase changes, changes in shape, and changes in size. "Being blue" is not a change at all. It's a condition.
The following are indicators of chemical changes: ... For example, changing the color of a metal does not change its physical properties.
No, a chemical change. Taste and smell are indicators of chemical composition, so a change in those would indicate a chemical change.
It is a physical change because the oil and the water do not change in chemical composition.
No it is not, as the ice will still retain its chemical properties. This is an example of a physical change. Remember that the indicators of a chemical change are a change in colour, a change in odour, a change in temperature, the formation of a precipitate, or a gas being given off.
The indicators which change color is litmus paper strips.
These indicators change the color depending on the pH of the solution.
pH indicators change their color according to the pH of a solution.
Intrnal indicator
No. Nor are they necessarily indicators of ambient temperature change.
Some indicators include:Change in TemperatureChange in ColorNoticeable Odor (after reaction has begun)Formation of a PrecipitateFormation of BubblesWhen two or more reactants are mixed and a change in temperature, color, etc. is noticed, a chemical reaction is probably occurring. These are not definite indicators; a chemical reaction may not be occurring. A change in color is not always a chemical change. If one were to change the color of a substance in a non-chemical reaction scenario, such as painting a car, the change is physical and not chemical. This is because the composition of the car has not changed. Proceed with caution.
Yes.