Question

1. 2. Name three organic and three inorganle di What are indicators ? Name any three indicators and state the colour change which takes place in (i) acids (ii) bases. two neutral substances. please help ​

Answer 1

Answer:

Indicators are the complex substance from which we can find the following element is acidic or basic in nature.

Some examples are :-

I) Litmus paper (in acid - Blue to Red) (in base - Red to Blue)

II) Methyl orange (in acid - Orange to Pink) (in base - Orange to Yellow)

III) Phenolphthalein (in acid - Remains colourless) (in base - colourless to Pink)

Answer 2

Answer:

Indicator are the special type of substance that is use to check whether the substance is acidic or basic in nature.

Three indicator are-

1) Turmeric- I) Acid- no change ii) Base- turns red colour

2) China rose- I) Acid- Magenta ( dark pink) colour ii) Base- Green colour

3) Litmus paper- I) Acid- Blue litmus red ii) Base- Red litmus blue

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