What are some novel ways to use indicators (besides titrations)?

Asked by Last Modified  

2 Answers

Follow 0
Answer

Please enter your answer

Dr. Jayasimha

Teaching professional with 20 years of experience in teaching Chemistry

Mood lipstick. Acid-base indicators in the cosmetics change color on application due to skin pH. Turning "water" to "wine". Add phenolpthalein to a clear dilute NaOH solution.) Making real wines red. Red wines contain anthocyanins, which are pH indicators. Adjusting the pH of the wine changes its color...
read more
Mood lipstick. Acid-base indicators in the cosmetics change color on application due to skin pH. Turning "water" to "wine". Add phenolpthalein to a clear dilute NaOH solution.) Making real wines red. Red wines contain anthocyanins, which are pH indicators. Adjusting the pH of the wine changes its color (and its taste). Welch's grape juice works, too. Disappearing ink and invisible ink Write a message in colorless phenolthalein. Spray the paper with a dilute NaOH solution and the letters appear in pink. Demonstrating how an ion exchange column works (see the July 1996 issue of the Journal of Chemical Education for more). Food coloring Monitoring swimming pool pH. read less
Comments
Dislike Bookmark

Mood lipstick. Acid-base indicators in the cosmetics change color on application due to skin pH. Turning "water" to "wine". Add phenolpthalein to a clear dilute NaOH solution.) Making real wines red. Red wines contain anthocyanins, which are pH indicators. Adjusting the pH of the wine changes its color...
read more
Mood lipstick. Acid-base indicators in the cosmetics change color on application due to skin pH. Turning "water" to "wine". Add phenolpthalein to a clear dilute NaOH solution.) Making real wines red. Red wines contain anthocyanins, which are pH indicators. Adjusting the pH of the wine changes its color (and its taste). Welch's grape juice works, too. Disappearing ink and invisible ink Write a message in colorless phenolthalein. Spray the paper with a dilute NaOH solution and the letters appear in pink. Demonstrating how an ion exchange column works (see the July 1996 issue of the Journal of Chemical Education for more). Food coloring Monitoring swimming pool pH. Soil pH kits. Demonstrating the electrolysis of water Making a "voice activated" chemical reaction. (a solution of phenol red in very slightly alkaline water will turn from red to yellow, if you talk to it for a while :) Carbon dioxide from your breath neutralizes the solution and causes the color change. read less
Comments
Dislike Bookmark

Related Questions

How should I do self-study of chemistry class 12 without any coaching to get a perfect score?
first you should know all the basic concepts and practise it . and watch youtube videos which is related to topics. it is more than enough to get a decent score. And also refer the old Model Question Papers.
Aditya
0 0
View Comments5
Good Wishes! I had completed my 10+2 with 78% in 2017. I had never prepared for any engineering entrance exam and never attended any of these exams. Is there any possiblities for me to crack JEE Main & Advance in 2018?
Start preparing from this year itself. Revise your concepts and practice daily. All the best!!!
K
What are some tricks/tips/advice while giving IIT-JEE Mains/Advance paper?
Here are some tips for cracking the IIT-JEE Mains/Advance papers: 1. **Understand the Syllabus**: Familiarize yourself thoroughly with the syllabus and exam pattern. Focus on topics where you are weak. 2....
Abdul
0 0
View Comments5
How should I get more than 90% in the class 12 board exam by doing self-study?
Target is achievable. You are required to be focussed. Study each and every concept, term, definition given in the NCERT books. Even the pictures given in books can form the basis for questions. Solve...
Pratik
1 0
View Comments7
How do I prepare for IIT-JEE in one year (Class 12) without coaching?
regular practice mcq of all subjects and solve previous years papers of jee and follow mtg mcq books to do so.
Urmila

Now ask question in any of the 1000+ Categories, and get Answers from Tutors and Trainers on UrbanPro.com

Ask a Question

Related Lessons

Conservation of Momentum, Impulse and Third law of Motion

Sunil Yadav

4 0
View Comments0
IIT JEE & NEET Information
Hi Parents, we are starting a batch for 2017-19 for IIT JEE Main & Advance plus NEET. IIT Foundation is a course to be undertaken from 9th On wards, do not waste your money from VII/VIII...

Auxano Edutech Llp

0 0
View Comments0
Innequalities basics part 4

Rajan Mittal

0 0
View Comments0
Triangle law of vector addition

Rajan Mittal

0 0
View Comments0
JEE main (24-2-2021 M ) Mathematics solutions Q 61 - Q64

Rajan Mittal

0 0
View Comments0

Recommended Articles

Workshop on 'Preparing for IIT JEE'

ClearConcepts Education Services, in Association with Teacherji.in, to Host Workshop on 'Preparing for IIT JEE' Bangalore-based ClearConcepts will host a workshop on 'Preparing for IIT JEE' in association with Teacherji.in at Bangalore. The workshop, which will be held on 23rd April, 2011, will present different approaches...

Read full article >

Importance of IIT JEE Crash Course and Success...

In conversation with Mr. Radhakrishnan K, Head of School Marketing, T.I.M.E., Chennai, on the importance and benefits of taking up IIT JEE Crash Course. He also shared few valuable IIT JEE tips and strategies for standing a better chance at the engineering entrance exam. About T.I.M.E., Chennai: Triumphant Institute...

Read full article >

Why You Should Switch to Online Coaching...

Looking forward to become an IITian? Searching for best coaching mode to prepare for IIT JEE exam? Then look no further than IIT JEE online coaching classes and start preparing for the test anywhere anytime, as per your convenience. With better connectivity provisions in India, now more and more students are connected...

Read full article >

Is coaching a must for JEE exam? Three advantages...

Well, if you ask me ‘Can I clear the JEE exam without coaching?’ My answer would be ‘Yes’. Having said that, neither self-study nor coaching guarantees you 100% Success in the JEE exam. Actually, whether you should opt for JEE coaching or not, depends a lot on your level of preparedness for the exam. Are you smart enough?...

Read full article >

Find IIT JEE Coaching near you
IIT JEE Coaching in Mumbai
IIT JEE Coaching in Delhi
IIT JEE Coaching in Bangalore
IIT JEE Coaching in Kolkata
IIT JEE Coaching in Hyderabad
IIT JEE Coaching in Chennai
IIT JEE Coaching in Pune
IIT JEE Coaching in Jaipur
IIT JEE Coaching in Lucknow
IIT JEE Coaching in Chandigarh
Online IIT JEE Coaching

Looking for IIT JEE Coaching ?

Learn from the Best Tutors on UrbanPro

Are you a Tutor or Training Institute?

Join UrbanPro Today to find students near you