No, some people say that but it is not true!
The answer is actually microorganisms.In school we did a topic about it so it will be chemicals. Aleema hope it helpedxx
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!!
No, the banana turning black is not a chemical reaction in the traditional sense. It is a natural process called enzymatic browning, where enzymes in the banana react with oxygen in the air, causing the fruit to darken. The change in color is due to the breakdown of pigments in the banana, not a chemical reaction.
Red blood cell contain a chemical that makes it red but when it dries out it turns black.
Iodine turns blue-black when it comes in contact with starch because it forms a complex with the starch molecules. If iodine stopped turning blue-black, it could be due to the absence of starch, chemical interference with the reaction, expired iodine solution, or improper storage conditions affecting the reactivity of the iodine.
The ocean is turning black because of poulution.
yes it is a chemical reaction because the change involved heat and all chemical reactions involve heat and a difference in the appearence of the substance which has recieved heat is noticed
no bananas go black in the refrigerator
silvers turn black due to the reaction of sulphur present in hydrogen sulphide from air. --- Tarnish is silver oxide (rust) caused by a chemical reaction of oxygen and hydrogen sulphide with the surface of the silver. Unlike iron, silver will not rust in air absent of hydrogen sulphide.
the answer is yes because sodium is a solid right right so being exposed by a chemical is changed.
Yes, black light can cure resin by initiating a chemical reaction that hardens the resin.
It is a chemical change but it can be reversed since that cahnge is only on the surface. It is merely an oxidization that occurs when silver is exposed to oxygen and has no contact with oil (which blocks the pores of the metal from reacting with oxygen).