This chapter is currently out of syllabus
1
JEE Main 2021 (Online) 24th February Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
The major components in "Gun Metal” are :
A
Al, Cu, Mg and Mn
B
Cu, Ni and Fe
C
Cu, Sn and Zn
D
Cu, Zn and Ni
2
JEE Main 2021 (Online) 24th February Morning Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
Which of the following ore is concentrated using group 1 cyanide salt ?
A
Sphalerite
B
Malachite
C
Siderite
D
Calamine
3
JEE Main 2020 (Online) 6th September Evening Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
The element that can be refined by distillation is :
A
gallium
B
nickel
C
zinc
D
tin
4
JEE Main 2020 (Online) 6th September Morning Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
The incorrect statement is :
A
bronze is an alloy of copper and tin
B
cast iron is used to manufacture wrought iron
C
german silver is an alloy of zinc, copper and nickel
D
brass is an alloy of copper and nickel
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