Question

Define the following and give two examples for each.
(a) Immiscible liquids (b) Conductors (d) Opaque objects

Answer 1

Answer:

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(a).Immiscible liquids are those which won't mix to give a single phase. Oil and water are examples of immiscible liquids - one floats on top of the other. It explains the background to steam distillation and looks at a simple way of carrying this out.

(b).Conductors are the materials that are good conductors of thermal energy whereas Insulators poor conductors of thermal energy. Conductors of heat: copper, iron. Insulators of heat: plastic, rubber.

(c).An opaque object is something that allows no light through it. Concrete, wood, and metal are some examples of opaque materials. Some materials can be opaque to light, but not to other types of electromagnetic waves.

Answer 2

Answer:

(a) Immiscible liquids are those which won't mix to give a single phase. Oil and water are examples of immiscible liquids - one floats on top of the other

(b) A conductor is a material which contains movable electric charges. In metallic conductors, such as copper or aluminum, the movable charged particles are electrons, though in other cases they can be ions or other positively charged species. ... Most familiar conductors are metallic.

(c) Opaque objects block light from traveling through them. Most of the light is either reflected by the object or absorbed and converted to thermal energy. Materials such as wood, stone, and metals are opaque to visible light

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