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What are the 4 types of indicators in chemistry?

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What are the 4 types of indicators in chemistry?

Common Acid Base Indicators

  • pH Scale and Acid and Base Indicators. The pH range functions between 0 to 14 with 7 being neutral.
  • Litmus Paper.
  • Phenolphthalein Indicator.
  • Bromothymol Blue Indicator.
  • Methyl Red Indicator.
  • Universal Indicator.

What are the various types of indicators?

Type of indicators

  • Input indicators. These indicators refer to the resources needed for the implementation of an activity or intervention.
  • Process and output indicators. Process indicators refer to indicators to measure whether planned activities took place.
  • Outcome indicators.
  • Impact indicators.

What are the different types of indicators with example?

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Olfactory Indicators:

Indicator Colour in Acid Colour in Base
Methyl orange Red Yellow
Phenolphthalein Colourless Pink
Litmus Red Blue
Turmeric No change Reddish Brown

What are 2 types of indicators?

Types of Indicators Artificial and Natural indicators are the two types of Chemical indicators.

What are the different types of indicators Class 7?

Indicators are of two types – natural and artificial. Naturally occurring indicators are turmeric, litmus, china rose and red cabbage. Litmus is a natural dye extracted from lichens.

How many types of indicators are there in chemistry class 10?

CBSE Class 10 Chemistry, CBSE- Acids, Bases and Salts

Indicator Acids Bases
1. Red litmus remains red turns blue
2. Blue litmus turns red remains blue
3. Phenolphthalein colourless pink
4. Methyl orange red yellow

What is an indicator chemistry?

chemical indicator, any substance that gives a visible sign, usually by a colour change, of the presence or absence of a threshold concentration of a chemical species, such as an acid or an alkali in a solution. An example is the substance called methyl yellow, which imparts a yellow colour to an alkaline solution.

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What is the indicator in chemistry?

chemical indicator, any substance that gives a visible sign, usually by a colour change, of the presence or absence of a threshold concentration of a chemical species, such as an acid or an alkali in a solution. The common application of indicators is the detection of end points of titrations.

What is an indicator in chemistry class 7?

An indicator is a ‘dye’ that changes colour when it is put into an acid or a base. An indicator gives different colours in acid and base. A substance which contains an acid is said to be acidic whereas the substance which contains a base is said to be basic.

What are the three types of indicators Class 10?

Indicator

  • Litmus.
  • Methyl Orange.
  • Phenolphthalein.

What are the types of indicators Class 7?