हिंदी

Assertion (A): Minerals are the substances from which metals can be extracted profitably. Reason (R): Ores are those minerals from which metals are extracted commercially and profitably.

Advertisements
Advertisements

प्रश्न

Assertion (A): Minerals are the substances from which metals can be extracted profitably.

Reason (R): Ores are those minerals from which metals are extracted commercially and profitably.

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
Advertisements

उत्तर

A is false but R is true.

Explanation:

Minerals are naturally occurring metal compounds, but only ores are minerals from which metals can be extracted commercially and profitably. So A is false while R is true.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 7: Metallurgy - MISCELLANEOUS EXERCISE [पृष्ठ १४७]

APPEARS IN

एस पी सिंग Concise Chemistry [English] Class 10 ICSE
अध्याय 7 Metallurgy
MISCELLANEOUS EXERCISE | Q (A) 12. | पृष्ठ १४७
Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×