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Is a banana turning black in a cupboard for a week a chemical reaction?
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If you put a banana in a cupboard for a week and it turns black does that mean it is a chemical reaction?
yes, if it turns into a different colour than it is a chemical reaction. hope that helps
Is banana's turning black a chemical reaction?
No, some people say that but it is not true!
Is bananas turning black if you leave them in a warm cupboard for a week a chemical reaction and why?
Yes, it is a chemical reaction, because the colour of the banana has changed, which shows that a chemical reaction has taken place. Also, if the banana has gone black and turned bad, you can't change it back to it's original form, which proves that it is a chemical reaction and not a physical reaction. Remember - A chemical reaction has definitely taken place if : It's colour has changed A gas is given off There are energy changes Or, it can't be changed back to what it used to be! :) Hope this helps!!
How do new substances form?
New substances are formed, when a chemical reaction has occurred.. for example a banana turning black.
Is digesting a banana a chemical reaction or is a reversible change?
Digesting a banana is a chemical reaction, an ireversible change.
Is digesting a banana a reversibal change or a chemical reaction?
its a a chemical reaction because you can 't get it back in a hole banana
If you put a banana in a warm cupboard for a week will it turn black and will it be chemical or physical change?
If you put a banana in a warm cupboard for a week, the likelyhood of it turning black is very high. This is a chemical change, as it is caused by the internal decomposition (breaking down) of the sugars contained by the fruit. Please note for future that a physical change is in nearly always a change in state, including disolvsion in a solvent.
Is dissecting a banana a chemical reaction or a reversible change?
Dissecting a banana is a physical change, not a chemical reaction. It involves physically separating the banana into smaller pieces, but the chemical composition of the banana doesn't change. A reversible change would be when you freeze the banana slices and then thaw them, as this can be reversed.
When you leave a banana in a cuboard it turns black is this a physical or chemical reaction and why?
It's a chemical reaction, as a banana is a fruit it leaves some micro particles into the air for growing faster. When it is on a tree this particles get mixed with air & couldn't help it so much for growing, but when it is in a packed cupboard there is not much space for the particles to roam, as the particles are nearer to banana, it starts to act upon banana & the starts growing faster & the banana gets ready, but after being ready also it stills continue to absorb micro particles & thus starts becoming black.
What type of chemical change take place when a banana peel turn brown?
a chemical reaction
Is digesting a banana a chemical reaction or is it a reversible change?
Digestion involve chemical reactions, it is a chemical and mechanical process and is irreversible.
What is the chemical reaction of a smoothie?
There are.... if you put a banana in a smoothie with milk or yogurt in it it will have a change
