In which of the following production processes is limestone $(CaCO_3)$ $NOT$ used?

  • A
    Phosphorus from phosphorite
  • B
    Portland cement
  • C
    Iron from hematite
  • D
    Solvay process for sodium carbonate

Explore More

Similar Questions

Heating an ore with carbon in the absence of air is known as ....

Describe the process of obtaining blister copper.

Difficult
View Solution

In the modern blast furnaces,the charge consists of a mixture of

Difficult
View Solution

Which of the following has the lowest percentage of carbon?

In the equation,the metal $M$ is:
$4M + 8CN^- + 2H_2O + O_2 \xrightarrow{} 4[M(CN)_2]^- + 4OH^-$

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