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What are the sing of chemical change?
Signs of chemical change are when a substance changes into a new substance. Like Paper being burned turns into gray powder. That is a chemical change.
When Liquid ethyl alcohol turns into a solid when placed in a low-temperature freezer a chemical reaction?
It does but it is Not a chemical change its physical change...
Is the starch in the pizza crust turns to sugar is the physical change?
Chemical
What property of a substance does not change when it turns into gas?
The chemical identity of a substance remains the same when it turns into a gas. The type of atoms and their arrangement within the substance do not change during the phase transition from liquid to gas.
When iron is heated until it turns red the color change shows that a chemical change has occured?
False.
Is it a physical or chemical change when bleach turns hair yellow?
It is a chemical change. The bleach reacts with the pigments in the hair, causing a chemical reaction that breaks down the natural color and can result in a yellowish tint.
What chemical turns yellow when sprayed with bleach?
Phenolphthalein is a chemical that turns yellow when sprayed with bleach. It changes color in response to changes in pH levels, and in the presence of bleach its color shifts from colorless to yellow.
Why does bleach turn yellow when mixed with red cabbage juice?
Bleach turns yellow when mixed with red cabbage juice due to the chemical reaction between the bleach (sodium hypochlorite) and the pigments in the cabbage juice, primarily anthocyanins. These pigments are sensitive to pH changes and can change color in response to different chemical environments. When bleach is introduced, it alters the pH and oxidizes the anthocyanins, resulting in a yellow hue. This color change is a visual indication of the chemical transformation occurring in the mixture.
When whine turns to vinegar is it a chemical or physical change'?
its a chemical change
If grass turns brown as it dries is it a physical or chemical change?
it is a chemical change
What type of change occurs when a compostt pit turns to mulch a chemical or physical?
Chemical Change
Is leaving a potato slice and turns brown is a chemical or physical change?
It is a chemical change - oxidisation.
When glass turns black from fire is it a physical or chemical change?
chemical
Is milk that turns sour a chemical change?
Yes.
What turns purple when sprayed with bleach?
Red cabbage juice turns purple when sprayed with bleach.
When a chicken bone turns rubber like and flexible is it a chemical change or physical change?
I'm not sure. I think it is a chemical change.
What are the sing of chemical change?
Signs of chemical change are when a substance changes into a new substance. Like Paper being burned turns into gray powder. That is a chemical change.
