Vedclass
Class 12ChemistryGeneral Principles and Processes of Isolation of ElementsConcentration
Medium

Which of the following processes does not involve heating?

AP EAMCET 2015All AP EAMCET
  • A
    Calcination
  • B
    Smelting
  • C
    Roasting
  • D
    Levigation
Share

Explore More

Browse All

Question Bank

12

All Subjects

Class 12 Questions

Class 12

Chemistry Questions

Chapter

General Principles and Processes of Isolation of Elements

Subtopic

Concentration

Previous Year

AP EAMCET 2015 PaperAll AP EAMCET years →

Similar Questions

Which method is used for the concentration of the tin ore containing $FeCrO_4$?

Medium
View Solution

The substance which is mixed with the ore for the removal of impurities is termed as

Easy
View Solution

Match the method of concentration of ore in Column $I$ with the ore in Column $II$.
$I$ (Method) $II$ (Ore)
$(I)$ Magnetic separation $a. Cu_2S$
$(II)$ Froth flotation $b. FeCr_2O_4$
$(III)$ Gravity separation $c. Al_2(SiO_3)_3$

Medium
View Solution

Which soluble substances are obtained when bauxite is treated with a solution of $NaOH$ at a temperature of $473 - 523 \ K$ and a pressure of $35 - 36 \ bar$?

Medium
View Solution

Which substance is used as a froth stabilizer in the froth flotation process?

Easy
View Solution

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo