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Lecturer Chemistry Past Paper 22-10-2009 by SPSC

    Q21: What is the oxidation number of nitrogen in the molecule N2?

    Q22: Phenols are ______?

    فینول ______ ہیں؟

    Q23: A catalyst ______?

    ایک اتپریرک کیا ہے؟

    Q24: Which of the bonds shown by a dash --- has the greatest polarity?

    Q25: What would be the volume in liters of 640g of oil if the density of the oil is 0.8g/ml?

    Q26: The Synonym of Pathos is?

    Q27: Choose the correct spelling word: Reverberate, Riverberate, Riverbrate, None of these

    Q28: Which of the following transitions is the highest energy transition?

    مندرجہ ذیل میں سے کون سا ٹرانزیشن سب سے زیادہ توانائی کی منتقلی ہے؟

    Q29: The Vulcanization of rubber ______?

    ربڑ کی واولکنائزیشن کیا ہے؟

    Q30: Acid base reaction is an ______?

    تیزاب کی بنیاد کا رد عمل ایک ______ ہے؟