Capacity of one lead accumulator cell is___________________?
Capacity of one lead accumulator cell is___________________?
A. 1.5 volts
B. 2 volts
C. 3 volts
D. 1 volts
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What is chemical symbol for Tungsten?
What is chemical symbol for Tungsten?A. Z
B. T
C. Tn
D. WTungsten, or wolfram, is a chemical element with the symbol W and atomic number 74. The name tungsten comes from the former Swedish name for the tungstate mineral scheelite, tung sten or “heavy stone”.
Which order of ionization energy is correct_________________?
Which order of ionization energy is correct_________________?A. Mg P
C. Mg > A1
D. both B & CThe non-ideal behaviour results chiefly from________________?
The non-ideal behaviour results chiefly from________________?A. Intermolecular attraction and infinite volume
B. Elastic collisions and finite volume
C. Intermolecular attractions and finite volume
D. Intermolecular attraction onlyOxygen (molecular weight = 32) diffuses at a rate of 10cm3/min under the same conditions of temperature and pressure how fast will hydrogen (molecular weight = 2) diffuse ?
Oxygen (molecular weight = 32) diffuses at a rate of 10cm3/min under the same conditions of temperature and pressure how fast will hydrogen (molecular weight = 2) diffuse ?A. 20cm3/min
B. 40cm3/min
C. 160cm3/min
D. 2.5cm3/minAldehyde and ketone have same general formula for homologous series_________________?
Aldehyde and ketone have same general formula for homologous series_________________?A. CnH2nO2n
B. CnH2n
C. CnH2nO
D. CnH2nOn+1The most reactive allotropic form of phosphorus is________________?
The most reactive allotropic form of phosphorus is________________?A. White
B. Redox potential
C. Black
D. Violet