A sugar solution containing _________________ percent sugar is equivalent to 1 Brix?
A. 0.01
B. 0.1
C. 1
D. 10
Stoichiometry
pH value of a solution containing 1 gm of hydrogen ion per litre will be ____________________?
pH value of a solution containing 1 gm of hydrogen ion per litre will be ____________________?
A. 0
B. 1
C. 7
D. 10
Equal masses of CH4 and H2 are mixed in an empty container. The partial pressure of hydrogen in this container expressed as the fraction of total pressure is___________________?
Equal masses of CH4 and H2 are mixed in an empty container. The partial pressure of hydrogen in this container expressed as the fraction of total pressure is___________________?
A. 1/9
B. 8/9
C. 1/2
D. 5/9
No cooling occurs, when an ideal gas undergoes unrestrained expansion, because the molecules____________________?
No cooling occurs, when an ideal gas undergoes unrestrained expansion, because the molecules____________________?
A. Collide without loss of energy
B. Do work equal to loss in kinetic energy
C. Are above the inversion temperature
D. Exert no attractive force on each other
Density of carbon dioxide is _________________ kg/Nm3 ?
Density of carbon dioxide is _________________ kg/Nm3 ?
A. 44/22400
B. 44/22.4
C. 22.4/44
D. None of these
The ratio of existing moles of vapor per mole of vapor free gas to the moles of vapor that would be present per mole of vapor free gas, if the mixture were saturated at the existing temperature & pressure, is termed as the_____________________?
The ratio of existing moles of vapor per mole of vapor free gas to the moles of vapor that would be present per mole of vapor free gas, if the mixture were saturated at the existing temperature & pressure, is termed as the_____________________?
A. Relative humidity
B. Relative saturation
C. Percentage saturation
D. None of these
Molar heat capacity of water in equilibrium with ice at constant pressure is_____________________?
Molar heat capacity of water in equilibrium with ice at constant pressure is_____________________?
A. 0
B. ∞
C. 1
D. None of these
The 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 vapor
At room temperature, the product [H+] [OH-] in a solution is 10-14 moles/litre. If, [OH-] = 10-6 moles/litre, then the pH of the solution will be ________________________?
At room temperature, the product [H+] [OH-] in a solution is 10-14 moles/litre. If, [OH-] = 10-6 moles/litre, then the pH of the solution will be ________________________?
A. 6
B. 8
C. 10
D. 12
For most salts, the solubility increases with rise in temperature, but the solubility of _______________ is nearly independent of temperature rise?
For most salts, the solubility increases with rise in temperature, but the solubility of _______________ is nearly independent of temperature rise?
A. Sodium chloride
B. Sodium carbonate monohydrate
C. Anhydrous sodium sulphate
D. Hypo