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रसायन विज्ञान (Chemistry) – Chemistry MCQ

रसायन विज्ञान (Chemistry) – CEE प्रवेश

Chemistry · Medical Entrance (CEE) – Physics, Chemistry, Biology & MAT · ४१० प्रश्न

सबै विषय भौतिक विज्ञान (Physics) रसायन विज्ञान (Chemistry) जीव विज्ञान – Zoology वनस्पति विज्ञान – Botany MAT (Mental Agility Test)

४१० प्रश्न उपलब्ध। मोड छान्नुहोस्:

रसायन विज्ञान (Chemistry): प्रश्न र उत्तर

सही लागेको विकल्पमा थिच्नुहोस्। सही भए हरियो, गलत भए रातो देखिन्छ; ३ सेकेन्डपछि सही उत्तर र व्याख्या देखिन्छ।

  1. The percentage by mass of carbon in magnesium carbonate (MgCO₃) is approximately what?

    💬 टिप्पणी / गल्ती रिपोर्ट (०)

    टिप्पणी जाँचपछि मात्र देखिन्छ।

  2. Given E°(Cu²⁺/Cu) = +0.34 V and E°(Zn²⁺/Zn) = −0.76 V, what is the standard cell potential (E°cell) for a Daniell cell?

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    टिप्पणी जाँचपछि मात्र देखिन्छ।

  3. 'Normal saline' administered intravenously is approximately isotonic with blood. What is the approximate molar concentration of NaCl solution typically used for normal saline?

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    टिप्पणी जाँचपछि मात्र देखिन्छ।

  4. A 25 mL solution of 0.1 M oxalic acid (H₂C₂O₄) is titrated with 0.02 M potassium permanganate (KMnO₄) in acidic medium. What volume of KMnO₄ is required for the complete neutralization?

    💬 टिप्पणी / गल्ती रिपोर्ट (०)

    टिप्पणी जाँचपछि मात्र देखिन्छ।

  5. What is the chemical formula for aspirin?

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    टिप्पणी जाँचपछि मात्र देखिन्छ।

  6. The van Arkel method utilizes a catalytic process to produce ultrapure iodine (I₂) from its corresponding compound. This process relies on the removal of hydrogen gas as a byproduct, driven by a chemical equilibrium shift. What is the primary chemical reaction involved in this purification?

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    टिप्पणी जाँचपछि मात्र देखिन्छ।

  7. The term 'degree of unsaturation' represents: (a) The number of saturated carbon atoms in a molecule. (b) The number of double or triple bonds present in a molecule, plus ring structures. (c) The total mass of the molecule. (d) The temperature at which a substance boils.

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  8. The process of converting a primary alcohol into an ether using sulfuric acid is known as: (a) Reduction (b) Oxidation (c) Esterification (d) Dehydration

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    टिप्पणी जाँचपछि मात्र देखिन्छ।

  9. The reaction between sodium metal and alcohol produces sodium alkoxides and hydrogen gas. Which of the following statements accurately describes this type of reaction? (a) It is an exothermic process that releases heat. (b) The rate of the reaction increases with increasing temperature. (c) It involves a change in oxidation state of sodium. (d) It is a displacement reaction where a more reactive metal replaces hydrogen.

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    टिप्पणी जाँचपछि मात्र देखिन्छ।

  10. The process of converting solid sodium chloride into chlorine gas and hydrogen gas is known as:

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    टिप्पणी जाँचपछि मात्र देखिन्छ।

यी अभ्यास प्रश्न हुन्, आधिकारिक प्रश्न होइनन्। पाठ्यक्रम, विज्ञापन र नतिजाका लागि सम्बन्धित निकायको आधिकारिक वेबसाइट हेर्नुहोस्। उत्तरमा गल्ती भेटे प्रश्नमुनिको "टिप्पणी / गल्ती रिपोर्ट" मा लेख्नुहोस्।