0
Add your answer:
Earn +20 pts
Is turning litmus paper red from blue a chemical change?
Yes, turning litmus paper red from blue is a chemical change because the color change results from a chemical reaction between the litmus paper and the substance it comes into contact with, indicating a change in the chemical composition of the paper.
Is turning bread into toast a physical or chemical change and why?
It is both. You dry the moisture out of the bread. However, the browning is a chemical change, as the chemical bonds are changed.
Why is a piece of lemon turning tea cloudy a physical change?
The cloudiness in tea when lemon is added is due to the reaction between the tannins in the tea and the citric acid in the lemon juice. This reaction causes the proteins in the tea to precipitate out of solution, resulting in the cloudiness. It is a physical change because the appearance of the tea is altered, but the chemical composition of the substances remains the same.
Is turning on your fireplace a physical change?
Burning of fuels is a chemical process.
Why milk turning into curd is a chemical change?
The process of milk turning into curd is a chemical change because it involves the fermentation of lactose by bacteria present in the curd culture. This fermentation process causes a change in the chemical composition of the milk, leading to the formation of curd through the breakdown of lactose into lactic acid.
Is bannan turning rotten a chemical or physical change?
This is a chemical change.
Is krypton gas turning into plasma a chemical change?
Yes, it is a chemical change.
Is milk turning sour a physical or chemical change?
Milk turning sour is a chemical change. It occurs due to the fermentation of milk sugars by bacteria, leading to the production of lactic acid, which changes the taste and smell of the milk.
Is turning of copper into green when exposed into environment physical or chemical change?
It is a chemical change.
What is a flower petal turning brown a physical or chemical change?
A flower petal turning brown is a chemical change. This is because the process involves a chemical reaction that alters the composition of the pigment in the petal, causing it to change color.
When two clear and colorless aqueous salt solutionsare mixed together the solution turns cloudy and yellow Does this represent a chemical or a physical change?
This represents a chemical change, as the formation of a cloudy and yellow solution suggests the formation of a new substance with different properties from the original solutions.
Would something turning hot to cold be a chemical change?
A decrease in temperature is a physical change, not chemical.
Is turning litmus paper red from blue a chemical change?
Yes, turning litmus paper red from blue is a chemical change because the color change results from a chemical reaction between the litmus paper and the substance it comes into contact with, indicating a change in the chemical composition of the paper.
Piece of lemon turing tea cloudy chemical or physical change?
Chemical The acid in the lemon clouds the water and the elements combine.
Is turning brownie mix into brownie a physical change or a physical change?
Turning a brownie mix into brownies is a chemical change. When the ingredients are heated in the over, numerous chemical reactions take place. Because new substances are created in the process, the process is a chemical change.
What kind of change is lime water turning white?
Limewater turns from 'colourless' to 'cloudy/milky' when Carbon Dioxide is present.
Is An apple turning brown and food burning on stove is this a physical change?
An apple turning brown is a chemical change because it involves a reaction that changes the chemical composition of the apple. Food burning on the stove is also a chemical change as it involves a combustion reaction that changes the chemical composition of the food.
