What is the basicity/acidity of na2co3
Explain the Matter?
Explain the Molecule?
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 not hydrogen power does it PH? explain plz....
What is the prime constituents of cement?
What is Atomic number?
What is mineral water?
Explain the Fuel gases ?
What is Atomic weight?
Which element is liquid at ordinary temperature ?
What is ignition point ?
Why does a piece of iron float on mercury, but sink in water ?
What is the monomer of polyethene?