Thermochemistry MCQ
Test your knowledge with important Thermochemistry MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Thermochemistry MCQs on Bissoy. Bissoy App
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In an experiment, salt of Sodium Carbonate (Na<sub>2</sub>CO<sub>3</sub>) is dissolved in Water (H<sub>2</sub>O), then NaOH and a carbonic acid is formed. This experment is an example of
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The conduction of electricity through the electrolyte solution is due to
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In an electrochemical cell that functions as a voltaic cell
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Which of the following statements about the commonly used automobile battery are true?<br>1. It is usually a lead-acid battery.<br>2. It has six cells with a potential of 2V each.<br>3. Its cells work as galvanic cells while discharging power.<br>4. It cells work as electrolytic cells while recharging.<br>Select the correct answer:
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Consider the following statements.<br>The electrochemical series helps<br>1. in extraction of metals.<br>2. in protecting themetal fromcorrosion.<br>3. in comparing the reactivity of metals.<br>Which of the above is/are true?
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To protect iron against corrosion, the durable metal plating on it, is
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When an acid cell is charged, then
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The depolarisation in a primary cells is used for the purpose of
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Which of the following reaction is an example of exothermic reaction?
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A smuggler could not carry gold by depositing iron on the gold surface, because
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If a refrigerator's door is kept open, then
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Aluminium surfaces are of ten 'anodised'. This means the deposition of a layer of
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Galvanised iron sheets are protected fromrusting due to presence of a layer of
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Which one among the following metals is more reactive than hydrogen?
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A conductivity cell is platinised
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During the evaporation of a liquid
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Among the following respiration is which type of process?
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Which one of the following pairs of materials serves as electrodes in chargeable batteries commonly used in devices such as torchlights, electric shavers etc?
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When ammonium chloride is dissolved in water, the solution becomes cold. The change is
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The source of electrical energy on the Apollo Moon flights was
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With reference to 'fuel cells' in which hydrogen rich fuel and oxygen are used to generate electricity. Consider the following statements.<br>1. If pure hydrogen is used as a fuel, the fuel cell emits heat and water as by products.<br>2. Fuel cells can be used for powering buildings and not for small devices like laptop, computers.<br>3. Fuel cells produce electricity in the form of Alternating Current (AC).<br>Which of the statements given above is/are correct?
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The passage of an electric current through a conducting liquid causes . . . . . . . .
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During isothermal expansion of an ideal gas, its
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In a hydrogen-oxygen fuel cell, combustion of hydrogen occurs to
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Assertion (A) Copper metal with HCl liberates hydrogen.<br>Reason (R) Hydrogen is present above Cu in the reactivity series.
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Anode mud is a
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The internal resistance of a dry cell is
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Corrosion is basically an
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Entropy change of a system and its surroundings in equilibrium
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When two plates of different metals are placed in an electrolyte, the developed emf between them depends on