Which gas used for purifying, air in underground enterprises ?
Differentiate between modern periodic table and mendeleevs table?
why the pH scale range is 0-14?
1 Answers Clariant, MIU, Torrent Pharma,
At what temperature does mercury freeze ?
what is the name of the material used in making the plates used for serving food in hotels?
Why does a piece of iron float on mercury, but sink in water ?
What can you contribute to the company?
Which element is liquid at ordinary temperature ?
How is the measurement of ph made?
Why ph scale range is 14? Why it is not less or not greater than 14? Solution of hcl or hydrogen containing liquid has a ph. But if the solution is kmno4 here nothydrogen power does it ph?
What is chemical oxygen demand?
What is a cell?
What is Atomic weight?