Chemistry Practice Question and Answer
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Q: The helical structure of protein is stabilized by
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638de03d34f83f14728dfb2f- 1Depeptide bondsfalse
- 2Hydrogen bondstrue
- 3Ester bondsfalse
- 4Peptide bondsfalse
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Answer : 2. "Hydrogen bonds"
Q:Read the following questions carefully and answer them.
The isotope of Uranium used in atomic reactors is
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63aaabe3e541fa7a01223f5f- 1$$U^235$$true
- 2$$U^236$$false
- 3$$U^237$$false
- 4$$U^232$$false
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Answer : 1. "$$U^235$$ "
Q: Which of the following methods is best suited for the separation of a mixture containing naphthalene and benzoic acid
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63c8f8d3bdbddb32fda0eb03- 1Crystallizationfalse
- 2Chromatographyfalse
- 3Sublimationtrue
- 4Distillationfalse
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Answer : 3. "Sublimation"
Q: Which one of the following is non-reducing sugar?
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638de33134f83f14728e2d6e- 1Glucosefalse
- 2Sucrosetrue
- 3Maltosefalse
- 4Lactosefalse
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Answer : 2. "Sucrose"
Q: Which metal reacts with water?
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61275b3bb05363065a00517c- 1goldfalse
- 2Potassiumtrue
- 3Silverfalse
- 4Leadfalse
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Answer : 2. "Potassium"
Q: What is the more common name for solid carbon dioxide?
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62bea9681d322d793f52a911- 1Quick Silverfalse
- 2Epsomfalse
- 3Potashfalse
- 4Dry Icetrue
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Answer : 4. "Dry Ice"
Q: Find the compound which undergoes nucleophilic substitution reaction exclusively by an SN1 mechanism
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63c921a2bdbddb32fda19117- 1Benzyl chloridetrue
- 2Chlorobenzenefalse
- 3Ethyl chloridefalse
- 4Isopropyl chloridefalse
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Answer : 1. "Benzyl chloride "
Q: A strong acid has a ______________
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63c7b6411e8e3f3e1a35cf4b- 1Weak conjugate acidfalse
- 2Weak conjugate basetrue
- 3Strong conjugate basefalse
- 4Strong conjugate acidfalse
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Answer : 2. "Weak conjugate base"
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