Welcome to Westonci.ca, where your questions are met with accurate answers from a community of experts and enthusiasts. Get detailed answers to your questions from a community of experts dedicated to providing accurate information. Get quick and reliable solutions to your questions from a community of experienced experts on our platform.
Sagot :
The answer is Option 4 , pink phenolphthalein .
What is an Indicator ?
A pH indicator or acid-base indicator is a compound that changes color in solution over a narrow range of pH values.
Only a small amount of indicator compound is needed to produce a visible color change.
Some of the indicators are methyl orange , litmus paper , phenolphthalein etc.
As the pH mentioned is 12 , it is a base
In basic medium phenolphthalein changes its colour to pink while red litmus paper turns blue .
Therefore The answer is Option 4 , pink phenolphthalein .
To know more about Indicator
https://brainly.com/question/4057029
#SPJ2
Thanks for using our platform. We aim to provide accurate and up-to-date answers to all your queries. Come back soon. Your visit means a lot to us. Don't hesitate to return for more reliable answers to any questions you may have. Thank you for visiting Westonci.ca, your go-to source for reliable answers. Come back soon for more expert insights.
