Un-Answered Questions { General Chemistry }

What is kentchin? Is it real?

616


Which is the best conductor of electricity?

583


Why be is not soluble in liquid ammonia?

591


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?

662


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?

534


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?

620


What is german silver?

508


What is phase transfer catalyst?

632


Why titration in which hcl and h2so4 is use?

578


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

538


What is mineral water?

604


What is the unit of ph?

606


What is kentchin?

583


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

588