Login

Login
Register

Questions
Unanswered
Tags
Categories
Ask a Question

Which of the following is a carbonate ore? (a) Pyrolusite (b) Malachite (c) Diaspore (d) Cassiterite

+1 vote

asked Mar 13, 2019 in Class 12 by kratos

Which of the following is a carbonate ore?

(a) Pyrolusite

(b) Malachite

(c) Diaspore

(d) Cassiterite

neet
processes of isolation of elements
processes of isolation of metals
aiims
jee
class-12
jee mains
general principles

Please log in or register to add a comment.

Please log in or register to answer this question.

1 Answer

+6 votes

answered Mar 27, 2020 by kratos

Best answer

The correct option is (b) Malachite.

Explanation:

Pyrolusite - MnO2

Malachite - CuCO3Cu(OH)2

Diaspore - AI2O3H2O

Cassiterite - SnO2

Please log in or register to add a comment.

Related questions

Out of the following which compound has zero dipole moment? (a) CH3Cl (b) CHCl3 (c) CCl4 (d) CHI3
Chlorophyll contains (a) cobalt (b) magnesium (c) iron (d) nickel
The number of geometrical isomers of the [Pt(NH3)2Cl2] is (a) 3 (b) 2 (c) 4 (d) 1
The coordination number of (EDTA)^4- is (a) 3 (b) 6 (c) 4 (d) 5
The oxidation state of Fe in K4 [Fe(CN)6] is (a) +2 (b) 3 (c) O (d) None of these

Snow Theme by Q2A Market

Powered by Question2Answer

Copyright © QinStar.in

...