These are Probable Question asked in the Entrance Examination Held in renowned colleges(St. Xaviers, Budhanilkantha, SOS,..etc) in Nepal.
(note: "#" Indicates the power of given term)
Entrance Examination Traning Software for the SLC Graduates for +2
Question
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Option1
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Option2
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Option3
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Option4
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Ans
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Which of the following oxide imparts the green colour in the glass?
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PbO
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Cr$2O$3
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Fe$2O$3
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ZnO
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2
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Froth floatation is the process of concentration of which of the ores? |