A. Plucking
B. Abrasion
C. Chemical weathering
D. Frost shattering
Submitted by: Mansoor Ul Haque
Author: Mansoor-Ul-Haque
A. Promoter
B. Activator
C. Retarder
D. Super catalyst
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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
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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
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A. gamma rays
B. X-rays
C. Ultra-violet radiation
D. radio waves
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A. Red light
B. Sound waves
C. X-Rays
D. Photon
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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
