Un-Answered Questions { General Chemistry }

What is kentchin? Is it real?

622


Which is the best conductor of electricity?

587


Why be is not soluble in liquid ammonia?

593


Acid value definition is number milligrams of koh required to nuetralise the acid present in one gram oil & fats but why not use naoh for nuetralisation?

668


When a glass rod is heated gradually and suddenly dipped in cold water, it cracks. What is the reason?? When a cool glass rod is suddenly heated, it cracks. Why?

546


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?

627


What is german silver?

513


What is phase transfer catalyst?

636


Why titration in which hcl and h2so4 is use?

586


However ozone is heavier than oxygen still ozone is up there in sky why?

542


What is mineral water?

623


What is the unit of ph?

612


What is kentchin?

592


4.0 liters of oxygen are mixed with 8.0 liters of nitrogen. Identify the solute and solvent in this mixture:

594