दिये गए 2 मोहर लवण के घोल की मदद से दिए गए KMnO, के घोल की मोलरता ज्ञात करें।
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In the simplest terms, a light-emitting diode (LED) is a semiconductor device that emits light when an electric current is passed through it. Light is produced when the particles that carry the current (known as electrons and holes) combine together within the semiconductor material.
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