set 2 MCQ Questions & Answers Detailed Explanation
MOST IMPORTANT general science mcq - 4 EXERCISES
The following question based on metals, non metals, minerals, ores, properties, uses topic of general science mcq
(a) calcination
(b) crushing and grinding
(c) concentration of ore
(d) roasting
The correct answers to the above question in:
Answer: (c)
Discuss Form
Read more chemistry gk Based General Science Questions and Answers
Question : 1
Which of the following non-metals sublimes on heating ?
a) Bromine
b) Fluorine
c) Chlorine
d) Iodine
Answer »Answer: (d)
Iodine is a sublime substance
Question : 2
The process to heat the ore in the presence of excess supply of air below its melting point is called
a) smelting
b) roasting
c) calcination
d) liquation
Answer »Answer: (b)
Question : 3
The metal used to built bridges is
a) platinum
b) gold
c) silver
d) iron
Answer »Answer: (d)
Steel an alloy of iron and carbon is used for manufacturing bridges.
Question : 4
Which one of the following is the correct order in which the gases H2, Ne, O2 and N2 are evolved on fractional distillation of liquid air?
a) H2, Ne, N2, O2
b) N2, O2, Ne, H2
c) H2, Ne, O2, N2
d) O2, N2, H2, Ne
Answer »Answer: (a)
Question : 5
The chief ore of aluminium is
a) alunite
b) bauxite
c) cryolite
d) feldspar
Answer »Answer: (b)
Bauxite is Al2O3 .2H2O.
Question : 6
Which of the following is an oxide ore?
a) Haematite
b) Bauxite
c) Cuprite
d) All of these
Answer »Answer: (d)
Bauxite – Al2O3
Haematite – Fe2O3
Cuprite – Cu2 O
Verbal Reasoning
Question & Answer Quiz
Non Verbal Reasoning
Question & Answer Quiz
Quantitative Aptitude
Question & Answer Quiz
Computer MCQ
Question & Answer Quiz
General English
Question & Answer Quiz
History GK
Question & Answer Quiz
Polity GK
Question & Answer Quiz
Geography GK
Question & Answer Quiz
Economy GK
Question & Answer Quiz
General Awareness GK
Question & Answer Quiz
Recently Added Subject & Categories For All Competitive Exams
100+ Quadratic Equation Questions Answers PDF for Bank
Quadratic Equation multiple choice questions with detailed answers for IBPS RRB SO. more than 250 Attitude practice test exercises for all competitive exams
Continue Reading »
IBPS Aptitude Linear Equations MCQ Questions Answers PDF
Linear equations multiple choice questions with detailed answers for IBPS RRB SO. more than 250 Attitude practice test exercises for all competitive exams
Continue Reading »
New 100+ Compound Interest MCQ with Answers PDF for IBPS
Compound Interest verbal ability questions and answers solutions with PDF for IBPS RRB PO. Aptitude Objective MCQ Practice Exercises all competitive exams
Continue Reading »
100+ Mixture and Alligation MCQ Questions PDF for IBPS
Most importantly Mixture and Alligation multiple choice questions and answers with PDF for IBPS RRB PO. Aptitude MCQ Practice Exercises all Bank Exams
Continue Reading »