How much O2 can be obtained from 90 kg of water ?
How much O2 can be obtained from 90 kg of water ?
A. 32 kg
B. 80 kg
C. 64 kg
D. 90 kg
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In _______________ process, ions of salts react with water to produce acidity or alkalinity ?
In _______________ process, ions of salts react with water to produce acidity or alkalinity ?A. Hydration
B. Hydrolysis
C. Electrolysis
D. DialysisThe weight fraction of methanol in an aqueous solution is 0.64. The mole fraction of methanol XM satisfies________________?
The weight fraction of methanol in an aqueous solution is 0.64. The mole fraction of methanol XM satisfies________________?A. XM < 0.5
B. XM = 0.5
C. 0.5 < XM < 0.64
D. XM ≥ 0.64The reaction A + B → C has been conducted in a reactor as shown below. The number of boundaries around which material balance can be written, are_________________?
The reaction A + B → C has been conducted in a reactor as shown below. The number of boundaries around which material balance can be written, are_________________?A. 1
B. 6
C. 3
D. 4For a given mass of a gas at constant temperature, if the volume ‘V’ becomes three times, then the pressure ‘P’ will become______________?
For a given mass of a gas at constant temperature, if the volume ‘V’ becomes three times, then the pressure ‘P’ will become______________?A. P/3
B. 3P
C. 9P2
D. 9P______________ equation gives the effect of temperature on heat of reaction ?
______________ equation gives the effect of temperature on heat of reaction ?A. Kirchoff’s
B. Maxwell’s
C. Antoine
D. KistyakowskyVariation of vapor pressure with temperature can be calculated using Clausius-Clapeyron equation, which assumes that the________________?
Variation of vapor pressure with temperature can be calculated using Clausius-Clapeyron equation, which assumes that the________________?A. Vapor follows the ideal gas law
B. Molal latent heat of vaporisation is constant within the limited temperature range
C. Volume in the liquid state is negligible compared with that in the vapor state
D. All A., B. & C.