What is pKa?

What is LPG? What is its use?

What is CNG? What is its use?

What is a cyclone ? What are the other names for it ?

What is an error? What are constant errors?

The pk_a of phenol is 10. What is the concentration of phenolate anion in 0.05M aqueous phenol ?

pK_a of pure water at certain temperature is 13.4. What is the hydronium ion concentration of water at that temperature ?

Decimolar weak monoprotic acid (pK_a = 4.8) is titrated with decimolar potash solution. What is the pH at half-equilvalence point ?

Decimolar weak monoprotic acid (pK_a = 4.8) is titrated with decimolar potash solution. What is the pH at equivalence point?

What is hypothesis? What are variables?