Dolomite is mineral whose formula is:
 

Important Questions on General Principles and Processes of Isolation of Metals (Metallurgy)

EASY

JEE Main

IMPORTANT

Chemistry Crash Course JEE Main>Chapter 13 - General Principles and Processes of Isolation of Metals (Metallurgy)>Level 1>Q 6

Magnetic separation process is not used for the concentration of:
 

EASY

JEE Main

IMPORTANT

Chemistry Crash Course JEE Main>Chapter 13 - General Principles and Processes of Isolation of Metals (Metallurgy)>Level 1>Q 7

Wilfley's table method for the concentration of ore can be used when _____.

EASY

JEE Main

IMPORTANT

Chemistry Crash Course JEE Main>Chapter 13 - General Principles and Processes of Isolation of Metals (Metallurgy)>Level 1>Q 8

For the formation of metal oxide, $∆\mathrm{G}º$ _______ (by magnitude) with the increase in temperature.

EASY

JEE Main

IMPORTANT

Chemistry Crash Course JEE Main>Chapter 13 - General Principles and Processes of Isolation of Metals (Metallurgy)>Level 1>Q 9

For the reduction of oxides of chromium, carbon can be used as reducing agent but this is not observed in practice because _____.

EASY

JEE Main

IMPORTANT

Chemistry Crash Course JEE Main>Chapter 13 - General Principles and Processes of Isolation of Metals (Metallurgy)>Level 1>Q 10

The zinc blende ore can be concentrated by _____.

EASY

JEE Main

IMPORTANT

Chemistry Crash Course JEE Main>Chapter 13 - General Principles and Processes of Isolation of Metals (Metallurgy)>Level 1>Q 11

The ore dressing is the process in which the ______.

EASY

JEE Main

IMPORTANT

Chemistry Crash Course JEE Main>Chapter 13 - General Principles and Processes of Isolation of Metals (Metallurgy)>Level 1>Q 12

The Froth-floatation process is based on _____ ore particles.

EASY

JEE Main

IMPORTANT

Chemistry Crash Course JEE Main>Chapter 13 - General Principles and Processes of Isolation of Metals (Metallurgy)>Level 1>Q 13

The chief impurity present in red bauxite is: