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There are five chemical indicator of a chemical change that include color changes and gas produced. The other indicators are odor released temperature changes, and new substance formed.

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10y ago
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5mo ago

Chemical indicators are substances that change color in response to a chemical change. They are often used to visually indicate the presence of a specific substance or the completion of a chemical reaction. They are commonly used in laboratory experiments to monitor chemical reactions or to determine the endpoint of a titration.

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14y ago

change in taste, smell, color, and precipitate.

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14y ago

commonly used indicators (in titration experiments) are methyl orange, methylene blue, phenolphthalein, litmus and thymol blue (and also methyl red).

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13y ago

litmus paper and pH scale i am not sure about the rest :)

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14y ago

cheese

red cabbage

beetroot

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Q: What are chemical indicators?
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What are indicators of a chemical change when 2 substances are mixed together?

Indicators of a chemical change when two substances are mixed together include: formation of a precipitate (solid), evolution of gas (bubbles), change in temperature, color change, and formation of a new substance with different properties.


What characteristics limit the usefulness of indicators?

Chemical indicators measure the pH directly Chemical indicators are highly expensive They must be chosen for a specific pH range Chemical indicators cannot determine the exact value of pH of the solution


Are indicators acidic or basic in nature?

Indicators can be both acidic and basic in nature, depending on their color change properties in response to different pH levels. Some indicators change color in acidic solutions, while others change color in basic solutions.


What indicators definitely show that a chemical reaction has taken place?

Some indicators that show a chemical reaction has taken place include the formation of a gas, a color change, the production of heat or light, or the formation of a precipitate (a solid formed from two liquids mixing together).


How indicators can tell the difference between acid and a base?

Indicators can differentiate between acids and bases based on their chemical properties. Indicators change color depending on the pH of the solution they are added to. For example, acids will turn indicators like litmus paper red, while bases turn them blue. This color change occurs because indicators respond to changes in hydrogen ion (H+) concentration in the solution.

Related questions

Why do you need indicators of chemical change?

Indicators of chemical change are needed to detect when a chemical reaction has occurred. They can provide visual cues, such as color changes or gas production, that indicate a chemical transformation has taken place. These indicators help scientists and chemists monitor and understand the progress of reactions.


True or false - is it possible to make indicators out of vegetables?

Yes, you can. They are not as good as the chemical indicators, but they can indicate a basic acid/alkali difference.


What vegetables or fruits make good chemical indicators?

tomato's red cabbage


What chemical an you use to test acids and alkali's?

These substances are called pH indicators.


What colors do chemical indicators turn and what do the colors mean?

With PH indicators, showing acidity and alkalinity, green is neutral, blue-purple is alkaline, yellow-red is acid.


What has the author O Tomi cek written?

O. Tomi cek has written: 'Chemical indicators'


What is the chemical compound of pH indicator?

Many indicators are known today; see the link below.


What are indicators of a chemical change when 2 substances are mixed together?

Indicators of a chemical change when two substances are mixed together include: formation of a precipitate (solid), evolution of gas (bubbles), change in temperature, color change, and formation of a new substance with different properties.


When something is blue is that a physical or chemical change?

indicators of a chemical reacton include color change, heat given off, and gas produced. indicators of a physical change are phase changes, changes in shape, and changes in size. "Being blue" is not a change at all. It's a condition.


What characteristics limit the usefulness of indicators?

Chemical indicators measure the pH directly Chemical indicators are highly expensive They must be chosen for a specific pH range Chemical indicators cannot determine the exact value of pH of the solution


What is the chemical used to identify changes in pH?

The chemical commonly used to identify changes in pH is an indicator, such as litmus paper or phenolphthalein. These indicators change color in response to changes in the acidity or alkalinity of a solution, allowing for easy visual detection of pH changes.


Are indicators acidic or basic in nature?

Indicators can be both acidic and basic in nature, depending on their color change properties in response to different pH levels. Some indicators change color in acidic solutions, while others change color in basic solutions.