GENERAL SCIENCE(CHEMISTRY) QUESTIONS FOR RRB ALP & TECHNICIAN DAY-14
GENERAL SCIENCE(CHEMISTRY) QUESTIONS FOR RRB ALP & TECHNICIAN DAY-14
Dear Bankersdaily Aspirants,
Hope you are preparing well for your RRB ALP & TECHNICIAN recruitment 2018 which is going to be held in the month of April/May of this year 2018.The Indian Railways has finally released the official notification announcing the Assistant Loco Pilot (ALP) & Technicians Recruitment. In the year 2018, Railways Recruitment Board or RRB will be recruiting to fill 26,502 vacancies for ALP and Technicians. This is a golden chance to grab a well secured job in the Indian Railways.
So its time for you people to boost your preparation to get a secured job in RRB as ALP & TECHNICIAN. Here are some important questions in Physics which will help to boost your preparation.
RRB ALP & TECHNICIAN recruitment 2018 Day- 14
No.of Questions: 10
Timing: 10 minutes
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1) _______ is used for galvanizing iron to protect it from rusting.
a) Sodium
b) Potassium
c) Magnesium
d) Zinc
e) None of these
2) ________ foil are used for packaging of medicines, cigarettes.
a) Titanium
b) Aluminium
c) Magnesium
d) Sodium
e) None of these
3) ________ metal is used in making bullet-proof alloy steels.
a) Cadmium
b)Nitrium
c) Chromium
d) Titanium
e) Zirconium
4) _______ is used for making electrodes.
a) Hydrogen
b) Nitrogen
c) Boron
d) Carbon
e) None of these
5) The natural materials in which the metals or their compounds are found in are called _______
a) Alloys
b) Matters
c) Minerals
d) Both a and c
e) None of these
6) Those minerals from which the metals can be extracted convenientlty and profitably are called _______
a) Minerals
b) Matters
c) Alloys
d) Ores
e) None of these
7) The process in which ore is treated with suitable reagent which dissolves ore but not the impurities is called _______
a) Magnetic separation
b)Leaching
c) Froth floatation process
d) Hydraulic washing
e) None of these
8) Which of the following process is done for sulphide ores?
a)Hydraulic washing
b)Leaching
c)Magnetic separation
d) Froth Floatation process
e) None of these
9) The process of removal of unwanted materials like sand,clay etc. from the ore is known as ________
a) Enrichment of ore
b) Concentration of ore
c) leaching
d) Both a and b
e) None of these
10) A carbonate ore is converted into metal oxide by ________
a) Combination
b) Hydrogenation
c) Magnetic separation
d) Froth Floatation
e) Calcination
Answer Key
1) d) Zinc
2) b) Aluminium
3) e) Zirconium
4) d) Carbon
5) c) Minerals
6) d) Ores
7) b) Leaching
8) d) Froth Floatation process
9) d) Both a and b
10) e) Calcination
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