Chemistry
Elements which have same number of protons but different number of neutrons are called as _________ ?
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Electrostatic precipitator is used to control?
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During rainy season Wooden doors are difficult to open or closure because of ________ ?
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Dr.Abdul Qadeer Khan did his Ph.D. from Leaven University of____________?
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Diamond is harder than Graphite because of___________?
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Day and night are the results of__________?
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Clive in one of his Gazettes made it mandatory that no Muslim shall be given an employment higher than that of chaprasy or a junior clerk has recorded by______________?
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Carbon,Diamond and Graphite are together called:___________?
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Carbon dioxide was discovered by_______?
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