Question

what are crystals ? Name three crystalline substances .​

Answer 1

Answer:

The purest solid form of a substance is called crystal.

Examples: Crystals of Copper , potassium permanganate, copper sulphate.

Answer 2

Answer:

Examples of large crystals include snowflakes, diamonds, and table salt. Most inorganic solids are not crystals but polycrystals, i.e. many microscopic crystals fused together into a single solid. Examples of polycrystals include most metals, rocks, ceramics, and ice.

Explanation:

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