Related Questions
What is the correct answer?
4
22.4 litres of at 27.3°C and 1 atmosphere pressure shall weigh
What is the correct answer?
4
Sodium chloride has fee structure. How many and ions are there in the unit cell?.
What is the correct answer?
4
What is the vapour pressure of benzoyl chloride at its boiling point (197°C)?
What is the correct answer?
4
How many nearest neighbours are there in an atom or ion in an octahedral hole of a close packed structure?
What is the correct answer?
4
In zinc blende structure, the zinc atoms occupy
C. half of the octahedral sites
D. half of the tetrahedral sites
What is the correct answer?
4
How many moles of water are present in 180 gm. of water ?
What is the correct answer?
4
Which of the following phrases would be incorrect to use?
C. A molecule of a compound
D. A molecule of an element
What is the correct answer?
4
A balloon filled with ethane is pricked up with sharp point and quickly plunged into a tank of hydrogen at the same pressure. After some time balloon will
C. remain unchanged in size
D. have half its volume of the gas
What is the correct answer?
4
22.4 litre of any gas at N.T.P. will contain
B. One gram atomic weight
What is the correct answer?
4
In a closed packed structure the pattern ABAB...... represents which one of the following:
What is the correct answer?
4
The number of atoms in 0.004 gm of magnesium is close to
What is the correct answer?
4
One gram molecule of a gas at N.T.P occupies 22.4 litres. This fact was derived from
What is the correct answer?
4
Which of the following methods is used to determine the atomic weight?
What is the correct answer?
4
In what ratio by mass carbon monoxide and nitrogen should be mixed so that partial pressure exerted by each gas is same?
What is the correct answer?
4
The weight of 22.4 litres of any gas at N.T.P. represent its
What is the correct answer?
4
Which of the following should be most viscous?
What is the correct answer?
4
Absolute zero is the temperature at which
B. all gases become liquid
C. all substances are solid
D. molecular motion ceases
What is the correct answer?
4
The vapour density of a gas in 35.5. The volume occupies by 3.55 gms of the gas at N.T.P. is
What is the correct answer?
4
Of the following properties, the magnitude of one must always increase with temperature. The property is
What is the correct answer?
4
The number of atoms per unit cell in bcc arrangement is
What is the correct answer?
4
The limiting radii ratio for the tetrahedral geometry is
What is the correct answer?
4
Volume occupied by 1 gm equivalent of oxygen at NTP is
What is the correct answer?
4
Chloroform and benzene form a pair of miscible liquids. These can be separated by
What is the correct answer?
4
The ionic radii of and ions are 1.47 and 1.95 , respectively. The most probable type of geometry exhibited by RbBr on the radius ratio rule is
What is the correct answer?
4
The number of molecules is 4.25 g of ammonia are approximately
What is the correct answer?
4
Volume occupied by 4.4 gift of carbon dioxide is
What is the correct answer?
4
When an ideal gas undergoes unrestricted expansion, no cooling occurs because the molecules
A. are above inversion temperature
B. exert no attractive force on each other
C. do work equal to loss in kinetic energy
D. collide without loss of energy
What is the correct answer?
4
In a close packed arrangement of N spheres, the number of octahedral holes are
What is the correct answer?
4
At 303 K ethanol has a vapour pressure of about 0.118 atm., acetic acid has the vapour pressure of about 0.039 atm., and ethyl iodide has a vapour pressure of about 0.263 atm. Which of the following represents the correct order of increasing normal boiling point ?
What is the correct answer?
4
The best electrical conductor of the following is