Question:
Newlands classification of elements was based on what?
Answer:
Law of octaves
Question:
If a Hydrogen atom is removed from a hydrocarbon of Benzene group, the remaining residue is called ___.
Answer:
Aryl
Question:
Chile saltpetre is an ore of _____
Answer:
Sodium
Question:
The inert gases are ____ in water.
Answer:
Sparingly soluble
Question:
Every kilogram of seawater has approximately how much dissolved salts?
Answer:
35 gms
