- Equivalent to the partial pressure of the wet gas.
- Lesser than the wet gas.
- Greater than the wet gas.
- None of these.
Author: Zabeehullah
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- 3s-orbital is lower in energy than 3p-orbital
- 3p-orbital is lower in energy than 3d-orbital
- 3s and 3p orbitals arc of lower energy than 3d orbital
- 3s, 3p and 3d orbitals all have the same energy
- Cathode is positive terminal in an electrolytic cell
- Cathode is negative terminal in an galvanic cell
- Reduction occurs at cathode in either of the cells
- Oxidation occurs at cathode in either of the cells
- NaHCO³ on heating gives Na²CO³
- Pure sodium metal dissolves in liquid ammonia to give blue solution
- NaOH reacts with glass to give sodium silicate
- Aluminium reacts with excess NaOH to give Al(OH)3
- I.E.1 of O is lower than that of N but I.E.2 O is higher than that of N
- The enthalpy of N to gain an electron is almost zero but of P is 74.3 kJ mol-1
- isoelectronic ions belong to the same period
- The covalent radius of iodine is less than its Van der Waal’s radius
- Rate law expression cannot be obtained from the stoichiometric equation
- Law of mass action expression can be written from the balanced equation
- Specific reaction rate of a reaction is constant at constant temperature
- Rate of reaction and rate constant have same units
- it is a directional bond
- bond strength is similar to O – H bond
- it is attraction between hydrogen and electronegative atom like as F, O, N
- it does not require minimum one lone pair of electron at electronegative atom.
- Gases do not have definite shape and volume
- Volume of the gas is equal to the volume of the container confining the gas
- Confined gas exert uniform pressure on the wall of the container in all directions
- Mass of the gas cannot be determined by weighing a container in which it is contained
- interstitial compounds are much harder
- transition metallic carbides are chemically reactive
- transition metal hydrides are powerful reducing agent
- interstitial compounds have higher melting points than the pure metal
- Fats and oils are stored source of energy
- They provide more energy than proteins or carbonydrates
- They help m absorbng the vitamins A and D
- Fats are soluble in water
- Energy of the electrons in the orbits are quantized
- The electron in the orbit nearest the nucleus has the lowest energy
- Electrons revolve in different orbits around the nucleus
- The position and velocity of the electrons in the orbit cannot be determined simultaneously.
- Cation is less stable than the parent atom
- Cation is smaller in size than the parent atom
- Size of cation and parent atom is the same
- Cation is greater in size than the parent atom
- Materials existing as liquids at room temperature have their melting and boiling points lower than that of room temperature.
- The phenomenon involving the transition of a substance from solid to liquid state is called sublimation.
- To convert a temperature on the Celsius scale to Kelvin scale, subtract 273 from the given temperature
- The density of ice is less than that of water.
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