Question

Define indicator ? question of science​

Answer 1

Answer:

something that gives information or shows something; a sign

कुछ सूचित या प्रदर्शित करने वाली वस्‍तु; सूचक

The indicator showed that we had plenty of petrol. The indicator showed that we had plenty of petrol.

2.

the flashing light on a car, etc. that shows that it is going to turn right or left

कार पर लगी रह-रहकर चमकने वाली रोशनी (जो कार के दाएँ या बाएँ जाने का संकेत करती है)

Explanation:

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Answer 2

Answer:

Indicators are the substances which indicate by change in color, the completion of the chemical reaction. We know that litmus solution is red in the acidic region and blue in the basic region. .

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