Cast iron is used for the manufacture of :

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

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 17 - General Principles and Processes of Isolation of Metals (Metallurgy)>JEE Main - 19th April 2014>Q 46

Which one of the following ores is known as Malachite:

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 17 - General Principles and Processes of Isolation of Metals (Metallurgy)>JEE Main - 16th April 2018>Q 47

In the extraction of copper from its sulphide ore, metal is finally obtained by the oxidation of cuprous sulphide with:

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 17 - General Principles and Processes of Isolation of Metals (Metallurgy)>JEE Main - 12th January 2019 Shift 2>Q 48

The pair that does not require calcination is

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 17 - General Principles and Processes of Isolation of Metals (Metallurgy)>JEE Main - 12th January 2019 Shift 1>Q 49

In the Hall-Heroult process, aluminium is formed at the cathode. The cathode is made out of:

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 17 - General Principles and Processes of Isolation of Metals (Metallurgy)>JEE Main - 12th April 2019 Shift 2>Q 50

The correct statement is:

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 17 - General Principles and Processes of Isolation of Metals (Metallurgy)>JEE Main - 12th April 2019 Shift 1>Q 51

The idea of froth flotation method came from a person $\mathrm{X}$ and this method is related to the process $\mathrm{Y}\mathrm{ }$ of ores. $\mathrm{X}\mathrm{ }\mathrm{a}\mathrm{n}\mathrm{d}\mathrm{ }\mathrm{Y},\mathrm{ }$ respectivity, are:

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 17 - General Principles and Processes of Isolation of Metals (Metallurgy)>JEE Main - 11th April 2015>Q 52

Calamine is an ore of:

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 17 - General Principles and Processes of Isolation of Metals (Metallurgy)>JEE Main - 10th January 2019 Shift 1>Q 53

Hall Heroult's process is given by: