Basic Science Practice Question and Answer
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Q: In those alcohol tragedies that result in blindness etc., the harm factor is-
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5f86b228dcf12a01a141e096- 1Methyl alcoholtrue
- 2Ethyl alcoholfalse
- 3acetylenefalse
- 4Ethyl alcoholfalse
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Answer : 1. "Methyl alcohol "
Q: Which of the following is not an area of coral reef?
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5f60486909624c19c5c1392d- 1Gulf of Mannarfalse
- 2Gulf of Cambaytrue
- 3Lakshadweepfalse
- 4Andaman and Nicobar Islandsfalse
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Answer : 2. "Gulf of Cambay"
Q: Which acid is also known as the king of the acids?
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5f75666d4637db73283bcd48- 1Hydrochloric acidsfalse
- 2Citric Acidsfalse
- 3Sulphuric Acidstrue
- 4Acetic acidsfalse
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Answer : 3. "Sulphuric Acids"
Q: Which of the following elements forms strong alkaline oxides when ignited in oxygen?
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5f912ca1c011be03879fe3db- 1Phosphorusfalse
- 2sodiumtrue
- 3Ironfalse
- 4Sulfurfalse
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Answer : 2. "sodium"
Q: The rolling ball stops itself after rolling away for some reason, which of the following reasons?
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601401075beea84b8eceadc3- 1Frictional forcetrue
- 2gravityfalse
- 3Inertiafalse
- 4None of the abovefalse
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Answer : 1. "Frictional force"
Q: What causes red color in red soil?
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604ded13e147c16b2869dff5- 1Wide spread of irontrue
- 2Excess of ironfalse
- 3Excess copper contentfalse
- 4None of thesefalse
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Answer : 1. "Wide spread of iron"
Q: The reason for the browning of the cut apple is present in the apple-
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625fcfcde1e2a840c31b77f2- 1Calciumfalse
- 2Zincfalse
- 3Ironfalse
- 4Iodinetrue
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Answer : 4. "Iodine"
Q: Jet engine and rocket flying are based on which rule?
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5f8e9c2cc380c466d4d77f90- 1law of gravityfalse
- 2Newton's second law of motionfalse
- 3Einstein's law of relativismfalse
- 4Newton's third law of motiontrue
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Answer : 4. "Newton's third law of motion"
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