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SPSC Lecturer Chemistry Past Paper 2000 to till date

    Q221: Which metal can replace Cr in the formula of Cr₂O₃?

    Q222: The least stable carbanion is _____?

    کم سے کم مستحکم کاربنین _____ ہے؟

    Q223: How much energy is required to boil a kettle of water containing 1 litre at 15°C (Specific heat capacity of water = 4.18?

    Q224: The correct order of spectral regions with respect to increasing frequency is _____?

    بڑھتی ہوئی تعدد کے سلسلے میں ورنکرم علاقوں کا صحیح حکم _____ ہے؟

    Q225: Which one among the pairs cannot be separated by H2S in dilute HCl?

    Q226: What is pH of a 1 molar solution of an acid that has a Ka - 10.8?

    Q227: The velocity of em waves is ______?

    برقی مقناطیسی لہروں کی رفتار ______ ہے؟

    Q228: Select the correct answer: A closed bottle containing water at 300°C is carried to the moon in a spaceship. If it is placed on the surface of the moon, what will happen to the water as soon as the lid is opened?

    Q229: Unequal expansion of metals makes possible the operation ____?

    دھاتوں کی غیر مساوی توسیع آپریشن کو ____ ممکن بناتی ہے؟

    Q230: In dry cell the electrolyte is a moist paste of ______?

    خشک سیل میں الیکٹرولائٹ ______ کا نم پیسٹ ہے؟