Chemistry
Which one of the following elements is found common in glass, cement, china clay and quartz?
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PVC stands for:?
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Mass spectrometer is used to determine Mass number of isotopes and___________________?
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Which of the following is nutritional deficiency disease?
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Frederick Sanger is a twice recipient of the Nobel Prize for ________?
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Jasmine was chosen as national flower in which year?
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Contact process catalyst________________?
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When the foundation stone of Guddu Barrage was laid?
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Which of the following terms is not used for ionic compound?
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