A. Promoter
B. Activator
C. Retarder
D. Super catalyst
Submitted by: Mansoor Ul Haque
Author: Mansoor-Ul-Haque
A. Molarity
B. Molality
C. Normality
D. Formality
Submitted by: Mansoor Ul Haque
A. Aufbau principle
B. Pauli exclusion principle
C. Hund’s rule
D. Periodic law
Submitted by: Mansoor Ul Haque
A. radio, visible, infrared, ultraviolet, x-ray, gamma ray
B. radio, infrared, visible, x-ray, gamma ray, ultraviolet
C. visible, radio, infrared, ultraviolet, x-ray, gamma ray
D. radio, infrared, visible, ultraviolet, x-ray, gamma ray
Submitted by: Mansoor Ul Haque
A. visible light
B. x-rays
C. infrared light
D. ultraviolet radiation
Submitted by: Mansoor Ul Haque
A. gamma rays
B. X-rays
C. Ultra-violet radiation
D. radio waves
Submitted by: Mansoor Ul Haque
A. Red light
B. Sound waves
C. X-Rays
D. Photon
Submitted by: Mansoor Ul Haque
A. is always less than first ionization energy
B. is always greater than first ionization energy
C. is equal to the first ionization energy
D. may be greater or less than the first ionization energy depending on the nature of the element
Submitted by: Mansoor Ul Haque
A. molecules are stable
B. molecules are unstable
C. nuclei are stable
D. nuclei are unstable
Submitted by: Mansoor Ul Haque
A. depends on the pressure in the discharge tube
B. depends on the metal used as cathode
C. depends on the gas used in the discharge tube
D. does not depend on the nature of the gas used in the discharge tube
Submitted by: Mansoor Ul Haque
