Sigma Percentile

Ores

Interactive Feed
JEE Advanced 2019
LEVELBoard

Calamine, malachite, magnetite and cryolite, respectively are

(A)
, , ,
(B)
, , ,
(C)
, , ,
(D)
, , ,
JEE Advanced 2015
LEVELJEE Main

Match the anionic species given in Column-I that are present in the ore(s) given in Column-II

List-I

(P)
Carbonate
(Q)
Sulphide
(R)
Hydroxide
(S)
Oxide

List-II

(1)
Siderite
(2)
Malachite
(3)
Bauxite
(4)
Calamine
(5)
Argentite
JEE Main 2019
LEVELJEE Main

The one that is not a carbonate ore is

(A)
siderite
(B)
calamine
(C)
malachite
(D)
bauxite
JEE Main 2021
LEVELJEE Main

Which of the following ore is concentrated using group 1 cyanide salt ?

(A)
Calamine
(B)
Malachite
(C)
Siderite
(D)
Sphalerite
JEE Main 2021
LEVELJEE Main

Sulphide ion is soft base and its ores are common for metals (A) Pb (B) Al (C) Ag (D) Mg Choose the correct answer from the options given below

(A)
(A) and (C) only
(B)
(A) and (D) only
(C)
(A) and (B) only
(D)
(C) and (D) only
JEE Main 2021
LEVELJEE Main

Match List-I with List-II. $\begin{array}{ll} \text{List-I} & \text{List-II} \\ \text{A. Siderite} & \text{(i) Cu} \\ \text{B. Calamine} & \text{(ii) Ca} \\ \text{C. Malachite} & \text{(iii) Fe} \\ \text{D. Cryolite} & \text{(iv) Al} \\ & \text{(v) Zn} \end{array}$ Choose the correct answer from the options given below.

(A)
A (iii), B (i), C (v), D (ii)
(B)
A (i), B (ii), C (v), D (iii)
(C)
A (iii), B (v), C (i), D (iv)
(D)
A (i), B (ii), C (iii), D (iv)
JEE Main 2019
LEVELJEE Main

The ore that contains the metal in the form of fluoride is

(A)
magnetite
(B)
sphalerite
(C)
malachite
(D)
cryolite
JEE Main 2019
LEVELJEE Main

Match the ores (Column A) with the metals (Column B). \begin{array}{llll} \hline & \text{Column A (Ores)} & & \text{Column B (Metals)} \\ \hline \text{A.} & \text{Siderite} & \text{P.} & \text{Zinc} \\ \text{B.} & \text{Kaolinite} & \text{Q.} & \text{Copper} \\ \text{C.} & \text{Malachite} & \text{R.} & \text{Iron} \\ \text{D.} & \text{Calamine} & \text{S.} & \text{Aluminium} \\ \hline \end{array}

(A)
A - P; B- Q; C - R; D- S
(B)
A - R; B- S; C - P; D- Q
(C)
A - Q; B- R; C - S; D- P
(D)
A - R; B- S; C - Q; D- P
JEE Main 2019
LEVELBoard

Assertion For the extraction of iron, haematite ore is used. Reason Heamatite is a carbonate ore of iron.

(A)
Only the reason is correct.
(B)
Both the assertion and reason are correct explanation for the assertion.
(C)
Both the assertion and reason are correct and the reason is the correct explanation for the assertion.
(D)
Only the assertion is correct.
JEE Main 2021
LEVELBoard

Match List-I with List-II. Choose the correct answer from the options given below.

(A)
A 4, B 3, C 2, D 1
(B)
A 2, B 4, C 1, D 3
(C)
A 1, B 2, C 3, D 4
(D)
A 3, B 1, C 4, D 2
JEE Main 2021
LEVELBoard

Calamine and malachite, respectively, are the ores of

(A)
nickel and aluminium
(B)
zinc and copper
(C)
copper and iron
(D)
aluminium and zinc
JEE Main 2021
LEVELJEE Main

Match List-I with List-II.

List-I

(P)
Calamine
(Q)
Malachite
(R)
Siderite
(S)
Sphalerite

List-II

(1)
(2)
(3)
(4)
JEE Main 2021
LEVELJEE Main

Match List-I with List-II. Choose the most appropriate answer from the options given below.

(A)
A-(i), B-(iii), C-(iv), D-(ii)
(B)
A-(ii), B-(i), C-(iv), D-(iii)
(C)
A-(ii), B-(iv), C-(i), D-(iii)
(D)
A-(iii), B-(i), C-(ii), D-(iv)
JEE Main 2021
LEVELJEE Main

Match List-I and List-II. Choose the correct answer from the options given below.

(A)
A 2, B 3, C 1, D 4
(B)
A 4, B 1, C 2, D 3
(C)
A 1, B 3, C 2, D 4
(D)
A 2, B 1, C 4, D 3