Stainless steel contains___________?
Stainless steel contains___________?
A. Fe+Cr+Ni
B. Fe+Ni+Cu
C. Fe+ Cr+Cu
D. Cu+C+Ni
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Chemistry is given from ……language ?
Chemistry is given from ……language ?A. Latin
B. Greek
C. Arabic
D. None of theseChemistry, from the Greek word χημεία (khēmeia) meaning “cast together” or “pour together”, is the science of matter at the atomic to molecular scale, dealing primarily with collections of atoms, such as molecules, crystals, and metals.
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 bondIn crystallization if the solvent is inflammable then direct heating is________________?
In crystallization if the solvent is inflammable then direct heating is________________?A. needed
B. avoided
C. depends on temperature
D. crystallization does not involve heatingThe number of lone pairs in XeOF4 is_________?
The number of lone pairs in XeOF4 is_________?A. O
B. 1
C. 2
D. 3The number of ions produced by [Pt(NH3)]Cl2?
The number of ions produced by [Pt(NH3)]Cl2?A. 4
B. 2
C. 3
D. 5How much solar flux absorb by earth’s surface is used to drive hydrologic cycle:
How much solar flux absorb by earth’s surface is used to drive hydrologic cycle:A. 1/2sec
B. 1/3rd
C. 1/4th
D. 1/5th