142) What property does a bonded material with an electron cloud not exhibit? a) Conductivity b) Heat conduction c) Toughness d) Ductility e) An opaque appearance 143) Which have equal and oppositely charged forces? A) Dipole B) metal C) van der waals D) hydrogen E) london 144) What is Frenkel error? A) atomic vacuum B) displaced ion C) intermediate atom D) ion pair spacing E) slip

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Properties of Fluids

The term fluid represents a type of substance that can easily change its shape under any external pressure/force and can flow. Fluids can acquire any shape in which it is stored and can resist normal stresses but cannot resist shear stress in rest condition. Whenever external shear stress is applied to fluids, it starts to flow. The fluids may be liquid or gas. Example- water, air, etc.