Question

Phenolphthalein and methyl orange are__________ indicators

Answer 1

Answer:

Phenolphthalein and methyl orange are pH indicators.

Explanation:

Indicators are substances that change colour when they are added to acidic or alkaline solutions. Litmus, phenolphthalein, and methyl orange are all indicators that are commonly used in the laboratory.

Answer 2

Answer:

answer : Colorless

Explanation:

When an acid is dissolved in water we get an acidic solution. ... Indicators are substances that change colour when they are added to acidic or alkaline solutions. Litmus, phenolphthalein, and methyl orange are all indicators that are commonly used in the laboratory.

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