For removing air bubbles from glass during its manufacture, which of the following minerals or chemicals is used?

Options :
  1. Feldspar
  2. Arsenious oxide
  3. Potassium carbonate
  4. Soda ash
Answer and Explanation :-

Answer: Option 2


Sorry there is no explanation for this answer. Please help others by posting your response below

How do you rate this queston?  Very Easy  Easy  Average  Above Average  Tough

Previous Question : Among the following fertilizers, which one leaves acidic residue?

Next Question : Among the following synthetic fibres, the one that possesses a 'drip-dry' property is

Click here for online test on General Science


 (Getemail alerts when others member replies)

Looking back now, I would say that this was one of the first valuable lessons I learned, and one that would be useful in my future line of work. Sometimes things go wrong. It is inevitable. But it is a mistake to waste time and energy worrying about events that you cannot influence. Once they have happened, let them go.
-Anthony Horowitz Russian Roulette: The Story of an Assassin