145 questions and answers in this section

Natural Sciences » Chemistry

Explain why gas bubbles rise to the surface of a glass of soda.

Explain why gas bubbles rise to the surface of a glass of soda.

When you open a bottle of soda, a large amount of gas bubbles form and quickly rise to the surface of the liquid. This phenomenon...

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Explain why were the alchemists so obsessed with the search for the Philosopher's Stone?

Explain why were the alchemists so obsessed with the search for the Philosopher's Stone?

The philosopher's stone is a legendary substance, often associated with alchemy, which is said to have the power to transmute metals into gold and grant...

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Explain why vinegar dissolves limestone?

Explain why vinegar dissolves limestone?

When vinegar comes into contact with limestone, a chemical reaction occurs. The main compound responsible for this reaction is acetic acid found in vinegar. When...

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Explain why some liquids are fluorescent?

Explain why some liquids are fluorescent?

Fluorescence is a fascinating light phenomenon observed in many materials, including liquids. When a fluorescent substance is exposed to a certain wavelength of light, it...

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Explain why Mentos makes cola explode?

Explain why Mentos makes cola explode?

Cola is a popular carbonated beverage composed mainly of water, sugar, natural or artificial flavors, colorants, and phosphoric acid. Water makes up the majority of...

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Explain why fizzy candies create a tingling sensation on the tongue.

Explain why fizzy candies create a tingling sensation on the tongue.

Fizzing candies create a tingling sensation on the tongue due to a chemical reaction between the acidic ingredients of the candies and the alkaline compounds...

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Explain why aluminum does not rust like iron?

Explain why aluminum does not rust like iron?

Aluminum does not rust like iron because a thin protective layer of oxide naturally forms on its surface, which protects it from corrosion. This layer, called alumina,...

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Explain why chimney fires smoke?

Explain why chimney fires smoke?

Fireplaces smoke due to incomplete combustion of wood. When wood burns, it releases gases, water vapor, and soot particles. If the temperature of the chimney...

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Explain why soap bubbles are round.

Explain why soap bubbles are round.

Surface tension is the force acting at the surface of a liquid, resulting from interactions between molecules at the surface of the liquid. This force...

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Explain why water freezes more quickly when salt is added to it?

Explain why water freezes more quickly when salt is added to it?

Salt lowers the freezing point of water, which means that the water must be cooled to a lower temperature to freeze. By adding salt to...

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