63 · Prelims
General
63th BPSC Prilims Previous Year Questions
141 questions
120 min
141.0 marks
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Quartz crystals used in clocks are
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Bromine is a
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Gases used in welding are
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Galvanized iron pipes have a coating of
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The wavelength of visible spectrum is in the range
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Detergents used for cleaning clothes are
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The element excreted through human sweat is
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Blue vitriol is chemically
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The positively charged part at the centre of an atom is called as
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The conversion of a solid directly into gas is called as