Home
Class 14
GENERAL KNOWLEDGE
Pyrolusite is an ore of:...

Pyrolusite is an ore of:

A

manganese

B

chromium

C

titanium

D

uranium

Text Solution

Verified by Experts

The correct Answer is:
A

Pyrolusite is a mineral consisting essentially of manganese dioxide and is important as an ore of manganese. It is a black, amorphous appearing mineral, often with a granular, fibrous, or columnar structure, sometimes forming reniform (kidney-shaped) crusts.
Promotional Banner

Topper's Solved these Questions

  • CHEMISTRY

    PINNACLE|Exercise ORGANIC CHEMISTRY |19 Videos
  • CHEMISTRY

    PINNACLE|Exercise PERIODIC TABLE |14 Videos
  • CHEMISTRY

    PINNACLE|Exercise ACID BASES AND SALT |16 Videos
  • BIOLOGY

    PINNACLE|Exercise MISCELLANEOUS|44 Videos
  • CURRENT AFFAIRS

    PINNACLE|Exercise SCHEMES & PROJECTS|40 Videos

Similar Questions

Explore conceptually related problems

Pyrolusite is a/an

Pyrolusite is a/an

Pyrolusite is a//an

Pyrolusite ore is :

Pyrolusite is the oxide mineral of

Pyrolusite is the oxide mineral of

Pyrolusite ore on oxidation with KClO_(3) / KNO_(3) in basic medium produces dark green coloured compound "(A)," which on electrolysis produces a purple coloured compound (B).The purple coloured compound can be crystallised to deep purple rhombic prisms.It shows different reactions in different mediums.Excess of compound (B) on heating with conc. H_(2)SO_(4) gives an explosive oil (C),which on heating decomposes to gives another compound (D) along with oxygen.Identify (D)

Pyrolusite ore on oxidation with KCIO_(3)//KNO_(3) in basic medium produces dark green coloured compound (A) , which on electrolysis produces a purple coloured compound (B) . The purple coloured rhombic prisms. It shows different reactions in different mediums. Excess of compounds (B) on heating with conc. H_(2)SO_(4) gives an explosive oil (C ), which on heating decomposes to gives another compound (D ) along with oxygen. On passing CO_(2) in the solution of (A), a purple coloured solution along with brown ppt is observed.