Ore in which sulphide is absent : (I) Cuprite (II) Argentite (III)

English

Gujarati

Hindi

General Principles and processes of Isolation of Elements

easy

The ore in which sulphide is absent :

$(I)$ Cuprite $(II)$ Argentite $(III)$ Pyrites $ (IV)$ Siderite

A

$I, II$

B

$II, III$

C

$III, IV$

D

$I, IV$

Solution

Solution is Lorem ipsum dolor sit amet, consectetur adipiscing elit. Ut elit tellus, luctus nec ullamcorper mattis, pulvinar dapibus leo.

Standard 12

Chemistry

Share

Similar Questions

In zone refining method, the molten zone

easy

The Ellingham diagram for zinc, magnesium and carbon converting into corresponding oxides is shown below.

At …….. $^oC$ temperature, zinc and carbon have equal affinity for oxygen .

normal

Consider the following reactions at $1000\,^oC$

$(I)$ $Zn(s) + \frac{1}{2}{O_2}(g)\xrightarrow{\Delta }ZnO(g);{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} $ $\Delta {G^o} = – 360{\mkern 1mu} \,kJ{\mkern 1mu} \,mo{l^{ – 1}}$

$(II)$ $C(s) + \frac{1}{2}{O_2}(g)\xrightarrow{\Delta }CO(g);{\mkern 1mu} {\mkern 1mu} $ $\Delta {G^o} = – \,460{\mkern 1mu} \,kJ\,{\mkern 1mu} mo{l^{ – 1}}$

and choose the correct statement at $1000\,^oC$

medium

The method used for the purification of Indium is ….. .

easy

(JEE MAIN-2021)

Which of the following compound is used as an adsorbent in column chromatography

easy