हिंदी

Assertion (A): Bayer’s process is used in the extraction of aluminium from its main ore. Reason (R): Bayer’s process is done for the refinement of aluminium.

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प्रश्न

Assertion (A): Bayer’s process is used in the extraction of aluminium from its main ore.

Reason (R): Bayer’s process is done for the refinement of aluminium.

विकल्प

  • Both A and R are true and R is the correct explanation of A.

  • Both A and R are true but R is not the correct explanation of A.

  • A is true but R is false.

  • A is false but R is true.

MCQ
अभिकथन और तर्क
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उत्तर

A is true but R is false.

Explanation:

Bayer’s process is used to purify bauxite into alumina, not to refine aluminium metal. Therefore A is true but R is false.

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अध्याय 7: Metallurgy - MISCELLANEOUS EXERCISE [पृष्ठ १४७]

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एस पी सिंग Concise Chemistry [English] Class 10 ICSE
अध्याय 7 Metallurgy
MISCELLANEOUS EXERCISE | Q (A) 16. | पृष्ठ १४७
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