NCERT chemistry metallurgy mcqs,pdfs,mock,model,sample,grand tests

Metallurgy Mock Test-1

QuestionNo:1

Which of the following metal occurs in native state

[A] Ca
[B] Au
[C] Zn
[D] Al



QuestionNo:2

The most abundant metal in the earth’s crust is

[A] Calcium
[B] Aluminium
[C] Iron
[D] Magnesium



QuestionNo:3

Living organism contains iron in

[A] Chlorophyll
[B] Haemoglobin
[C] Eyes of animals
[D] None of these



QuestionNo:4

The earthy impurities present in the mineral are called

[A] flux
[B] Slag
[C] gangue
[D] refractory material



QuestionNo:5

Sapphire is a mineral of:

[A] Zn
[B] Cu
[C] Hg
[D] Al



QuestionNo:6

Malachite is an ore of:

[A] Fe
[B] Zn
[C] Cu
[D] Hg



QuestionNo:7

Calamine is an ore of:

[A] Hg
[B] Zn
[C] Cd
[D] Ca



QuestionNo:8

Zinc blende (an ore) is:

[A] ZnO
[B] ZnCO3
[C] ZnS
[D] Zn2OCl2



QuestionNo:9

Formula of ruby copper is

[A] Cu2O
[B] Cu2S
[C] CuCO3.Cu(OH)2
[D] CuFeS2



QuestionNo:10

Which of the following is not a carbonate mineral

[A] Siderite
[B] Calamine
[C] Lime stone
[D] Fluorspar



QuestionNo:11

Which of the following is a hyderated oxide mineral

[A] Zincite
[B] Cassiterite
[C] Bauxite
[D] Haematite



QuestionNo:12

Pick up the correct statement

[A] All ores are minerals
[B] All mineral are ores
[C] A mineral cannot be ore
[D] An ore cannot be a mineral



QuestionNo:13

Generally sulphide ores are concentrated by following process

[A] Hand picking
[B] Washing with water
[C] Leaching
[D] Froth floatation



QuestionNo:14

Method used for the concentration of tinstone ore is

[A] Hand Picking
[B] Froth floatation
[C] Magnetic separation
[D] Leaching



QuestionNo:15

The process of removing lighter gangue particles by washing in a current of water is called

[A] Levigation
[B] Liquidation
[C] Leaching
[D] Cupellation