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What is the secret message hidden in the lemon juice?
The secret message hidden in lemon juice is revealed when the paper is heated, causing the lemon juice to darken and the message to become visible.
How does lemon juice work as invisible ink and what is the explanation behind its use?
Lemon juice works as invisible ink because it is acidic and weakens the paper fibers, making the writing invisible until heat is applied. When the paper is heated, the sugars in the lemon juice caramelize and turn brown, revealing the hidden message.
Why do you use lemon for invisible ink?
Lemon juice contains citric acid which weakens paper fibers. When heated, the acid reacts with oxygen in the air, turning brown and revealing the hidden message written with the juice.
Litmus paper dipped in lemon juice?
Lemon juice contains citric acid so blue litmus paper dipped in lemon juice will turn red indicating that it is acidic.
What is the colour of PH paper when dipped in lemon juice?
When dipped in lemon juice, pH paper typically turns red or pink. This indicates that the lemon juice is acidic.
What happens when you burn a paper with lemon juice on it?
When you put lemon juice on a piece of paper, then place the paper on a heat source, the parts soaked with the juice will burn faster and turn a dark brown. This chemical reaction is based upon the properties that define acids and bases. The paper with the acid lemon juice is weakened by the acid, and will burn faster.
How can I create invisible ink using lemon?
To create invisible ink using lemon, you can squeeze the juice from a lemon and use a cotton swab or paintbrush to write a message on paper. Let the juice dry completely, and then hold the paper near a heat source, such as a light bulb or candle flame, to reveal the hidden message.
Why does lemon juice litmus paper red?
Lemon juice is an acid and blue litmus paper turns red when dipped in an acidic liquid.
What effect does lemon juice have on a red and blue litmus paper?
Lemon juice is an acid therefore, it turns blue litmus paper red and red litmus paper remains red
What is the colour of lemon juice PH paper?
Red
Is dipping blue litmus paper in lemon juice physical or chemical?
Dipping blue litmus paper in lemon juice is a chemical change. The acidic nature of lemon juice causes a chemical reaction with the blue litmus paper, turning it red. This change in color indicates a chemical transformation of the litmus paper due to the interaction with the acid in the lemon juice.
What colour does lithmus paper turn when dipped in lemon juice?
Lemon juice contains citric acid so blue litmus paper dipped in lemon juice will turn red indicating that it is acidic.Blue litmus paper become red in acidic solutions (lemon juice contain citric acid).
