A student breathes in and out through the tube P in the apparatus illustrated (i) Name a liquid in the test tubes, which would detect a difference in composition between inhaled and exhaled air. (ii) After a minute or two of breathing, how would the liquids in tubes A and B differ in appearance?

Asolution of sodium hydroxide was titrated against a solution of sulfuric acid. how many moles of sodium hydroxide would react with 1 mole of sulfuric acid?

You encounter a solution that is acidic and you decide to test it by adding a small amount of a strong acid. the ph lowers slightly but is approximately unchanged, and still remains acidic. what can you say about the solution? a. it is a buffer solution. b. it is not a buffer solution it is a strong acid solution. d. the solution has been neutralized. e. the solution has excess acid present

What are the constituent metals of stainless steel?