JEE Main & Advanced
Chemistry
Metallurgy / धातुकर्म
Question Bank
Numerical Value Type Questions - s-Block, p-Block & Metallurgy
question_answer
How many of the following are oxide ore : pyrolusite, Beryl, Silver glance, zinc blende, Chromite, Galena, Malachite, Cryolite, Flourspar, carnelite cuprite