General Science Practice Question and Answer
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Q: Which of the following is the lightest element?
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60804077711d9a7cad41f17b- 1Heliumfalse
- 2Mercuryfalse
- 3Hydrogentrue
- 4Platinumfalse
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Answer : 3. "Hydrogen"
Q: The number of isotopes in the hydrogen is:
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60803bf35027727e2fa5f6d1- 1Fourfalse
- 2Fivefalse
- 3Twofalse
- 4Threetrue
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Answer : 4. "Three"
Q: The device that confirms the presence of electric charge:
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607ec3a50372d8542895a072- 1Dynamofalse
- 2Electroscopetrue
- 3Ammeterfalse
- 4Cryotronfalse
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Answer : 2. "Electroscope"
Q: Who invented the Locomotive Engine?
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607ec3390372d85428959feb- 1Richard Gatlingfalse
- 2E.G. Otisfalse
- 3Richard Trevithicktrue
- 4Sir Humphry Davyfalse
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Answer : 3. "Richard Trevithick"
Q: The size of the earth in the sequence of planets:
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607ec27e0372d85428959df9- 1Fifthtrue
- 2Seventhfalse
- 3Thirdfalse
- 4Fourthfalse
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Answer : 1. "Fifth"
Q: For which invention is Otto Hahn famous?
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607eb3f4c91527511d8e7133- 1Atom bombtrue
- 2Televisionfalse
- 3X-raysfalse
- 4Miner’s safety lampfalse
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Answer : 1. "Atom bomb "
Q: The first protocol to ban the emissions of chlorofluorocarbons in the atmosphere was made in
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607ea1d10372d85428951d8f- 1Montrealtrue
- 2Osakafalse
- 3Genevafalse
- 4Floridafalse
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Answer : 1. "Montreal"
Q: What is the viscosity of an ideal fluid?
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607e9fddc91527511d8e3f83- 1Equal to its massfalse
- 2Equal to its weightfalse
- 3Zerotrue
- 4Onefalse
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Answer : 3. "Zero "
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