A. Sodium hydroxide
B. Sodium plumbite
C. Cupric chloride
D. Potassium isobutyrate
Related Mcqs:
- Mercaptans is represented as (where R and R’ are alkyl groups) _____________________?
A. R-COOH
B. R-S-H
C. R-S-R
D. R-S-R’ - Mercaptans are added to liquefied petroleum gas (LPG) to _____________________ ?
A. Reduce its cost
B. Narrow down its explosion limit
C. Assist in checking its leakage from cylinder
D. Increase its calorific value - Mercaptans are________________?
A. Low boiling sulphur compounds
B. Added in LPG cylinders to detect gas leakage by its smell
C. Undesirable in petrol, as they reduce its octane number
D. All A., B. and C. - Solvent used in the Udex (glycol) extraction process for removal of light aromatics from cracked naphtha is_________________?
A. Propane
B. Diethylene glycol
C. Aqueous solution (10% water) of diethylene glycol
D. Methyl ethyl ketone (MEK) - Sweetening of petroleum product means the removal of ______________________?
A. Sulphur & its compounds
B. Water
C. Organic impurities
D. Wax - Complete removal of _____________ from gasoline is done by Unisol process using caustic soda and methyl alcohol?
A. Waxes
B. Mercaptans
C. Asphalt
D. Diolefins - Smoke point of a test sample of kerosene is found to be 15 mm. On removal of ________________ from it, the smoke point rises to 25 mm?
A. n-paraffins
B. Olefins
C. Aromatics
D. None of these - Removal of light fractions from crude oil is called its _____________________?
A. Sweetening
B. Dehydration
C. Stabilisation
D. Visbreaking - Deoiling is the process of removal of oil from wax. It is done by the _______________ process?
A. Solvent extraction
B. Sweating
C. Resettling
D. All A., B. & C. - Clay treatment of petroleum products __________________?
A. Decolorizes & stabilises cracked gasoline
B. Desulphurise straight run gasoline & kerosene
C. Adsorb arsenic from feedstock to catalytic reforming
D. All A., B. & C.
