حضرت ابو قتادہؓ حارث نے کہاں وفات پائی _______؟
شام .❶
یمن .❷
مدینہ .❸
مکہ .❹
Month: February 2019
Exothermic neutralisation reaction between caustic soda and dodecylbenzene sulfonic acid produces sodium dodecylbenzene sulphate, which is a/an?
Exothermic neutralisation reaction between caustic soda and dodecylbenzene sulfonic acid produces sodium dodecylbenzene sulphate, which is a/an?
A. Explosive
B. Soap
C. Detergent
D. Analgesic drug
Superior quality laboratory apparatus is made of the _____________ glass having low thermal co-efficient of expansion & high chemical resistance?
Superior quality laboratory apparatus is made of the _____________ glass having low thermal co-efficient of expansion & high chemical resistance?
A. Flint
B. Soda
C. Pyrex
D. Potash
Use of chlorine in the treatment of sewage_________________?
Use of chlorine in the treatment of sewage_________________?
A. Helps in grease separation
B. Increases the biological oxygen demand (BOD)
C. Causes bulking of activated sludge
D. Aids in flocculation
حضور ؐ کا دوسرے آسمان پر اسم مبارک کیا ہے _______ ؟
حضور ؐ کا دوسرے آسمان پر اسم مبارک کیا ہے _______ ؟
مرتضی .❶
عبدالمجید .❷
مظہر .❸
مجیب .❹
CaO is called__________________?
CaO is called__________________?
A. Quick lime
B. Slaked lime
C. Limestone
D. Calcite
The catalyst used in shift converter is___________________?
The catalyst used in shift converter is___________________?
A. Nickel
B. Vanadium
C. Silica gel
D. Alumina
Dry ice (solidified CO2) is used for the___________________?
Dry ice (solidified CO2) is used for the___________________?
A. Storage & shipment of frozen foods and ice-creams
B. Liquefaction of permanent gases
C. Liquefaction of natural gas
D. None of these
______________ is used as a flux in the extraction of iron from iron ore (haematite) in blast furnace?
______________ is used as a flux in the extraction of iron from iron ore (haematite) in blast furnace?
A. Bauxite
B. Limestone
C. Quartz
D. Manganese
At very high concentration of enzymes, the rate of fermentation chemical reaction is _____________ the concentration of reactants?
At very high concentration of enzymes, the rate of fermentation chemical reaction is _____________ the concentration of reactants?
A. Independent of
B. Directly proportional to
C. Inversely proportional to
D. Proportional to the square of