Question

write any four acid base indicators.​

Answer 1

Answer:

four acid base indicators are:-

• Litmus paper
• . PH scale
• Turmeric
• china rose

Explanation:

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Answer 2

$\huge{\underline{\underline{\bold{\mathtt{\purple{A{\pink{N{\green{S{\blue{W{\red{E{\orange{R}}}}}}}}}}}}}}}}$

Four acid base indicators:-

• litmus paper
• methyl orange
• phenolphthalein
• red cabbage extract

litmus paper

• acid blue to red
• basered to blue

methyl orange

• acid = red
• base = yellow

phenolphthalein

• acid colourless
• base = pink

read cabbage extract

• acid = red
• base green