Which catalyst is used in contact process ?

Related Mcqs:

Diameter of an atom is in the order of________________?

A. 0.2m B. 0.2mm C. 0.2nm D. 0.2pm...

When cationic molecular ions are allowed to pass through strong magnetic field in mass spectrometer which of the following ions is fallen__________________?

A. lighter B. intermediate C. heavier D. are collected at same time...

The mass of decimole of electrons (NA) is___________________?

A. 1.008 mg B. 0.184 mg C. 0.054 mg D. 5.4 mg...

Which of the following is mineral fiber ?

A. Teflon B. asbestos C. saran D. acrylic...

Which of the following element doesnot show allotropy_________________?

A. Carbon B. Arsenic C. Nitrogen D. Sulphur...