General Principles and processes of Isolation of Elements
easy

अति शुद्ध बोरॉन तथा सिलिकॉन निम्नलिखित में से किसके द्वारा बनाये जा सकते हैं ?

A

वाष्प प्रावस्था परिष्करण

B

वैद्युत अपघटनी परिष्करण

C

द्रवीकरण

D

जोन परिष्करण

(JEE MAIN-2020)

Solution

"Boron" and "Silicon" of very high purity can be obtained through :-

zone refining method only.

While other methods are used for other metals/elements i.e.

$(i)$ Vapour phase refining

$(ii)$ electrolytic refining

$(iii)$ liquation etc.

Standard 12
Chemistry

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