(A) E-Digital
(B) E-Payment
(C) Online Tax Paying
(D) None of the above
Which one is occur in whole number always?
(A) Molecular weight
(B) Atomic number
(C) Equivalent weight
(D) None of the above
Which statement is falsse about electrons?
(A) Wave is associated with electron
(B) Electron is a particle
(C) Oriented by magnetic field
(D) None of the above
Existence of nucleous is confirmed by?
(A) Alpha scattering by thin metal foil
(B) Thermal analysis
(C) Spectroscopy
(D) None of the above
NMR uses which source of radiation?
(A) Ultraviolet waves
(B) Radio waves
(C) Micro waves
(D) Visible waves
Which solvent used in IR spectroscopy?
(A) CCL4
(B) CH3OH
(C) CH3CH2OH
(D) None of the above
Identify Marsh gas among following?
(A) NaHCO3
(B) NaCl
(C) CH4
(D) None of the above
IR determine ___ bond.
(A) Nature of bond
(B) Kind of bond
(C) Hydrocarbon
(D) None of the above