Wash it with a solution of warm water and a neutral-pH soap. Apply it with a soft rag. Do not use a commercial window cleaner on leaded glass because these solutions usually contain ammonia, which can cause a chemical reaction with the cames or filler compound. What does Whiting taste lik...
Describe clearly why a single indicator solution is only useful for measuring pH over a rather narrow range. Use a specific indicator of solution (ex. Crystal Violet, Thymol Blue, Methyl Orange, Methyl Red, Neutral Red...) to illustrate arguments. ...