___________________ glass is used for the manufacture of optical glass ?

Related Mcqs:

Phenolic antiseptics are added in the __________________ soap?

A. Shaving B. Medicated C. Metallic D. Transparent...

Salt is added in the kettle during soap manufacture to separate ___________________?

A. Soap from lye B. Glycerine from lye C. The metallic soap D. The unsaponified fat from soap...

Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used_______________________?

A. As a lubricant B. As a rust preventive C. In hard water for cleaning of cloth D. As a foam depressant in distillation column...

Pick out the wrong statement ?

A. Chamber process of sulphuric acid manufacture produces pure acid of concentration < 80% B. Contact process of sulphuric acid manufacture produces pure acid of concentration ≥ 98% C. 75% oleum can be produced by distillation of 20% oleum D. Contact process of sulphuric acid manufacture uses nickel as the catalyst...

Zeigler process__________________?

A. Produces high density polyethylene B. Produces low density polyethylene C. Uses no catalyst D. Employs very high pressure...