‘Giga’ stands for__________________?
‘Giga’ stands for__________________?
A. 109
B. 10-12
C. 1012
D. 1015
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If a solution of eutectic composition is cooled, _______________ reaching the eutectic temperature ?
If a solution of eutectic composition is cooled, _______________ reaching the eutectic temperature ?A. The solvent begins to freeze out even before
B. It will undergo no change until
C. It will not solidify even on
D. None of theseIsotopes are atoms having the same _____________________?
Isotopes are atoms having the same _____________________?A. Mass number
B. Number of neutrons
C. Atomic mass
D. None of theseThe percentage ratio of the partial pressure of the vapor to the vapor pressure of the liquid at the existing temperature is_____________________?
The percentage ratio of the partial pressure of the vapor to the vapor pressure of the liquid at the existing temperature is_____________________?A. Termed as relative saturation
B. Not a function of the composition of gas mixture
C. Called percentage saturation
D. Not a function of the nature of vaporKopp’s rule is helpful in finding the__________________?
Kopp’s rule is helpful in finding the__________________?A. Heat capacities of solids
B. Heat capacities of gases
C. Molal heat capacities of gases
D. Activation energyConcentration of a solution expressed in terms of _______________ is independent of temperature?
Concentration of a solution expressed in terms of _______________ is independent of temperature?A. Molarity
B. Normality
C. Molality
D. None of theseSpecific gravity on API scale is given by the relation (where, G = specific gravity at 15.5°C) ?
Specific gravity on API scale is given by the relation (where, G = specific gravity at 15.5°C) ?A. °API = 200(G – 1)
B. °API = (141.5/G) – 131.5
C. °API = (140/G) – 130
D. °API = 145 – (145/G)