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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 molar mass of a gas is 30 g/mol. If 1 mole of the gas occupies a volume of 22.4 L at STP, what is the density of the gas in g/L?

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  2. The molar mass of NaOH is approximately 40 g/mol. If you need to prepare 2 moles of NaOH solution, what volume (in Liters) would be required at a concentration of 1 M? (a) 2 L (b) 40 L (c) 80 L (d) 1 L

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  3. The reaction between an acid and a base is known as: (a) Neutralization (b) Oxidation (c) Reduction (d) Polymerization

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  4. Which of the following statements accurately describes the concept of ‘Isomerism’? (a) Isomers have the same molecular formula but different physical properties. (b) Isomers have the same atomic mass but different chemical properties. (c) Isomers always have identical chemical formulas and boiling points. (d) Isomers are only possible in organic compounds with more than 6 carbon atoms

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  5. The process of converting an alcohol to aldehyde using dilute potassium permanganate is called: (a) Oxidation (b) Reduction (c) Neutralization (d) Esterification

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  6. Lithium shows a diagonal relationship with sodium because they share similarities in their chemical behavior, particularly regarding:

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  7. The solubility of a gas in a liquid is inversely proportional to which of the following factors?

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  8. Which of the following reaction conditions would favor the formation of ammonia (NH₃) according to the balanced chemical equation: N₂(g) + 3H₂(g) ⇌ 2NH₃(g)?

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  9. The compound CH₃CH₂OH (ethanol) can be oxidized using acidified potassium permanganate solution. What is the main product formed in this oxidation?

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  10. The percentage by mass of iron (Fe) in hydrated copper sulfate, CuSO₄·5H₂O, is approximately 23.17%. What is the minimum mass of CuSO₄·5H₂O required to obtain 4 g of pure iron?

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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।