GK
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Malleability
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Ductility
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Conductors of heat
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Luster
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Detailed explanation-1: -The ability of a material to shine is called lustre.
Detailed explanation-2: -Luster is the property that describes the way a material reflects light.
Detailed explanation-3: -Reflectivity is a property of matter related to the amount of light that a material reflects. Electrical conductivity is a physical property of matter related to how easily a material transmits electric current.
Detailed explanation-4: -Metals have a unique ability to reflect light from their pure surface (without impurities). This results in a shiny surface and this property is known as lustre.
Detailed explanation-5: -The elements in non-metallic minerals absorb more and reflect less light. About 70% of all known minerals have vitreous luster, which resembles that of ordinary window glass. Quartz is one of the best examples of this type. Other minerals with vitreous luster include calcite, fluorite, tourmaline, and beryl.