Question

when we write the invisible letter by the lemon and other chemical,can we reverse this process to make words invisible?​

Answer 1

Explanation:

Lemon juice is an organic substance that oxidizes and turns brown when heated. Diluting the lemon juice in water makes it very hard to notice when you apply it the paper, no one will be aware of its presence until it is heated and the secret message is revealed. Other substances which work in the same way include orange juice, honey, milk, onion juice, vinegar and wine. Invisible ink can also be made using chemical reactions or by viewing certain liquids under ultraviolet (UV) light.

Answer 2

Invisible letter by the lemon and other chemical

Explanation:

• It is very important to understand that where lemon juice is an organic material that, when heated, oxidizes and turns dark.
• As a a matter of fact, we ca say that when you dilute the lemon juice in water, it's almost impossible to notice when you apply it to the paper; no one will see it until it's heated and the secret message is revealed.

• Definitely, we can say that orange juice, honey, milk, onion juice, vinegar, and wine are examples of similar compounds.
• Chemical reactions or viewing specific liquids under ultraviolet (UV) light can also be used to create invisible ink.