Which of the following shows electrical conduction_____?
Which of the following shows electrical conduction_____?
A. Potassium
B. Graphite
C. Diamond
D. Sodium
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The weakest (in strength) of the following intermolecular forces is_______________?
The weakest (in strength) of the following intermolecular forces is_______________?A. Hydrogen bonding
B. Vander Waals force
C. Forces among the polar molecules
D. Ionic bondThe gases become non-ideal at ________________?
The gases become non-ideal at ________________?A. High temperature and high pressure
B. Low temperature and low pressure
C. High temperature and low pressure
D. Low temperature and high pressureMagnesium metal does not burn in the vessel containing_______________?
Magnesium metal does not burn in the vessel containing_______________?A. N2
B. O2
C. N2 and O2
D. NeThe ionization energy__________________?
The ionization energy__________________?A. Generally increases from left to right in a period
B. Does not change in a period
C. Increase from top to bottom in a group
D. Does not change in a groupThe geometry of ammonia is___________________?
The geometry of ammonia is___________________?A. Tetrahedral
B. Square planner
C. Trigonal bipyramidal
D. Trigonal PyramidalAddition of CH3COOH and CH3COONa gives in water_______________?
Addition of CH3COOH and CH3COONa gives in water_______________?A. Standard solution
B. buffer solution
C. acidic buffer solution
D. both B & C