(A) Neutron
(B) Electron
(C) Proton
(D) Helium Nuclei
Answer: (D) Helium Nuclei
Alpha rays are helium nuclei.
Category: Chemistry MCQs Class 11
Chemistry MCQs questions with answers of class 11 or first year. HSSC Part-I chemistry multiple choice questions from past papers.
Surface tension of liquid is independent of:
(A) Temperature
(B) Nature of Liquid
(C) Intermolecular forces
(D) Area of Liquid surface
Answer: (D) Area of Liquid surface
Surface tension of liquid is independent of liquid surface.
Tendency of liquid to cling together is called:
(A) Surface Tension
(B) Cohesion
(C) Adhesion
(D) Viscosity
Answer: (B) Cohesion
Tendency of liquid to cling together is called cohesion.
The Number of waves travel per one centimeter distance is called:
(A) Wavelength
(B) wave number
(C) wave function
(D) frequency
Answer: (B) wave number
The Number of waves travel per one centimeter distance is called wave number.