JEE Exam  >  JEE Notes  >  Chapter-wise Tests for JEE Main & Advanced  >  JEE Advanced (Fill in the Blanks): General Principles & Processes of Isolation of Elements

JEE Advanced (Fill in the Blanks): General Principles & Processes of Isolation of Elements | Chapter-wise Tests for JEE Main & Advanced PDF Download

Fill in the Blanks

1. Casseterite is ore of ........... (1980)
 Ans : 
Tin

Solution :  Tin. It is SnO2. [The formula of Casseterite ore in SnO2

 

2. In the thermite process ........ is used as reducing agent. (1980)
 Ans : 
Aluminium

Solution : Fe2O3 + 2Al → Al2O3 + 2Fe + Heat

[Thermite reaction]

 

3. In the basic Bessemer process for the manufacture of steel the lining of the converter is made of ........ . The slag formed consists of ...... (1980)
 Ans : 
Magnesia and lime; Calcium silicate

Solution : NOTE : The lining of corverter is made of magnesia & lime. Slag formed consists of CaSiO3

 

4. In extractive metallurgy of zinc partial fusion of ZnO with coke is called ............... and reduction of the ore to the molten metal is called ............... .
 (smelting, calcining, roasting, sintering) (1988 - 1 Mark)

Ans : sintering, smelting

The document JEE Advanced (Fill in the Blanks): General Principles & Processes of Isolation of Elements | Chapter-wise Tests for JEE Main & Advanced is a part of the JEE Course Chapter-wise Tests for JEE Main & Advanced.
All you need of JEE at this link: JEE
481 docs|964 tests
Related Searches

Objective type Questions

,

mock tests for examination

,

MCQs

,

video lectures

,

Important questions

,

past year papers

,

JEE Advanced (Fill in the Blanks): General Principles & Processes of Isolation of Elements | Chapter-wise Tests for JEE Main & Advanced

,

Previous Year Questions with Solutions

,

Sample Paper

,

Free

,

Summary

,

study material

,

Semester Notes

,

pdf

,

JEE Advanced (Fill in the Blanks): General Principles & Processes of Isolation of Elements | Chapter-wise Tests for JEE Main & Advanced

,

Viva Questions

,

Exam

,

Extra Questions

,

shortcuts and tricks

,

practice quizzes

,

JEE Advanced (Fill in the Blanks): General Principles & Processes of Isolation of Elements | Chapter-wise Tests for JEE Main & Advanced

,

ppt

;