Chemistry Practice Question and Answer
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63c921a2bdbddb32fda19117 4 Q:
5f697b4cf9079a64e3a5161a 4 Q:
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5f698fe6f9079a64e3a5b205 4 Q:
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Q: Gold is used to make jewelery?
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61275c5e302e8b067c99c5ab- 122 caratstrue
- 224 caratfalse
- 316 caratsfalse
- 423 caratsfalse
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Answer : 1. "22 carats"
Q: Which gas is deposited at the anode on electrolysis of alumina?
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61275989dbe92e068b90f6be- 1Hydrogen gasfalse
- 2Nitrogen gasfalse
- 3carbon dioxide gasfalse
- 4Oxygen gastrue
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Answer : 4. "Oxygen gas"
Q: The alkaloid naturally found in coffee, cocoa and colanut is
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6389c40334f83f14727428d0- 1Cocainefalse
- 2Morphinefalse
- 3Tanninfalse
- 4Caffeinetrue
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Answer : 4. "Caffeine"
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: An acid must contain mainly one atom which reacts with the metal to produce a gas.
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5f697b4cf9079a64e3a5161a- 1Hydrogentrue
- 2oxygenfalse
- 3Nitrogenfalse
- 4Ammoniafalse
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Answer : 1. "Hydrogen"
Q: Which of the following laws suggest a direct relationship between Temperature and Volume of a gas?
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5fe9ac31755fc73bd07965d6- 1Avogadro rulefalse
- 2Charles ruletrue
- 3Boyle rulefalse
- 4None of thesefalse
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Answer : 2. "Charles rule"
Q: What are the substances that participate in a reaction?
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5f698fe6f9079a64e3a5b205- 1considerationfalse
- 2Deductivefalse
- 3reactantstrue
- 4Oxidizerfalse
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Answer : 3. "reactants"
Q: Which metal reacts with water?
1441 061275b3bb05363065a00517c
61275b3bb05363065a00517c- 1goldfalse
- 2Potassiumtrue
- 3Silverfalse
- 4Leadfalse
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Answer : 2. "Potassium"
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