A. Free chlorine
B. Bromine
C. Iodine
D. Potassium permanganate
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Related Mcqs:
- Common salt is produced from sea water in India generally by the ________________ method?
A. Freeze drying
B. Solar evaporation
C. Electrolytic
D. None of these - A gas which is collected over water becomes moistened due to water vapor, exerts its own partial pressure at the gas temperature, which is termed as its_______________?
A. Aqueous tension
B. Saturated humidity
C. Vapor pressure
D. Absolute humidity - Heat transfer to the water wall in a high pressure water wall type boiler furnace is mainly by_________________?
A. Conduction
B. Convection
C. Radiation
D. Both A. & B. - Potable water means the water used for____________________?
A. Fire-fighting
B. Cooling
C. Drinking
D. Evaporation to produce steam - Natural water contains approximately ______________ percent of heavy water?
A. 0.015
B. 0.71
C. 1.2
D. 3.5 - The value of y = cp/cv. at < 500°C for air & most common gases can be safely assumed to be_____________________?
A. 0.8
B. 1
C. 1.4
D. 1.8 - Ferromagnetic materials owe their properties to __________________ inner sub-shells ?
A. Completely filled
B. Partially filled
C. Equally filled
D. Vacant - Energy of the sun arises mainly from __________________ reactions?
A. Fusion
B. Fission
C. Combustion
D. None of these - The most suitable material for die casting is __________________?
A. Iron
B. Copper
C. Steel
D. Nickel - Depreciation of machines fails under the indirect expenses head. As per income tax regulations, it is calculated by the __________________ method?
A. Diminishing balance
B. Sinking fund
C. Multiple straight line
D. Sum of the years digit
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