Basic Science Practice Question and Answer
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Q: Capacitors are fitted to increase the power coefficient?
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5ef4162e7c1ec61320b5a5b8- 1parallel to the supplytrue
- 2By putting resistance to supplyfalse
- 3In the supply chainfalse
- 4None of thesefalse
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Answer : 1. "parallel to the supply"
Q: Why it is not advisable to sleep under a tree at night?
1786 05ef432e8d40ebf3f78335a80
5ef432e8d40ebf3f78335a80- 1Release of less oxygenfalse
- 2Release of more oxygenfalse
- 3Release of carbon dioxidetrue
- 4Release of carbon monoxidefalse
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Answer : 3. "Release of carbon dioxide"
Q: The best means of extinguishing petrol fires is-
1672 05fe9a22704717d1a56bf8c10
5fe9a22704717d1a56bf8c10- 1Baking Powderfalse
- 2Carbon dioxidetrue
- 3Sandfalse
- 4Waterfalse
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Answer : 2. "Carbon dioxide"
Q: What is the smallest unit of a chemical compound?
1649 0611b650edc4e2547a1c91c34
611b650edc4e2547a1c91c34- 1Atomicfalse
- 2electronfalse
- 3Protonfalse
- 4Moleculestrue
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Answer : 4. "Molecules"
Q: Which vitamin is high in orange?
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5f91312cd6785c0fc0d915c2- 1Dfalse
- 2Afalse
- 3Ctrue
- 4Bfalse
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Answer : 3. "C"
Q: What is the scientific name for common salt?
1535 05fc9d524b3b23538af75d913
5fc9d524b3b23538af75d913- 1sodium sulfatefalse
- 2sodium chloridefalse
- 3sodium bicarbonatefalse
- 4Ammonium chloridetrue
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Answer : 4. "Ammonium chloride"
Q: What of the following statements is incorrect?
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5f9130e59e18f97b7040f069- 1Iron sinks in waterfalse
- 2Wood floats on waterfalse
- 3Mercury floats on watertrue
- 4Iron floats in mercuryfalse
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Answer : 3. "Mercury floats on water"
Q: Tungsten resistance to temperature rise?
1514 05ef41568bea49d16b47d39a1
5ef41568bea49d16b47d39a1- 1decreasesfalse
- 2increasestrue
- 3there is no changefalse
- 4All thesefalse
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Answer : 2. "increases"
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