Which of the following way in used for classification of chromatography ?
Which of the following way in used for classification of chromatography ?
A. Shape
B. Phase
C. Mechanism
D. All
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Which one is true about isotope ?
Which one is true about isotope ?A. Same number of neutrons
B. Same mass number
C. Same physical properties
D. Same chemical propertiesElement that have same number of neutrons are called__________?
Element that have same number of neutrons are called__________?A. isotope
B. isobar
C. isotone
D. None of theseAvogadros number may represent_________________?
Avogadros number may represent_________________?A. volume of particles
B. number of particles
C. mass of particles
D. All of the aboveWhich of the following is not a use of silicon ?
Which of the following is not a use of silicon ?A. Lubricants
B. Hydraulic brakes
C. Antifreeze
D. Water repellentThe correct electronic configuration of Cu is ___________________?
The correct electronic configuration of Cu is ___________________?A. [Ar]4s1
B. [Ar]4s2
C. [Ar]3d104s1
D. [Ar]3d94s2Critical temperature for different gases is different and depends upon______________?
Critical temperature for different gases is different and depends upon______________?A. Size of molecule
B. Shape of molecule
C. Intermolecular attractions
D. All of the above