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Out of the following which one is a forward biased diode?
Which of the following oxide is amphoteric in nature? (1) CO2 (2) SnO2 (3) SiO2 (4) GeO2
Which of the following statement is not true about glucose? (1) It is an aldopentose. (2) It is an aldohexose. (3) It contains five hydroxyl groups. (4) It is a reducing sugar.