Basic Science Practice Question and Answer
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Q: What is the scientific name for common salt?
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5fc9d524b3b23538af75d913- 1sodium sulfatefalse
- 2sodium chloridefalse
- 3sodium bicarbonatefalse
- 4Ammonium chloridetrue
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Answer : 4. "Ammonium chloride"
Q: Dry ice is solid.
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5fc9d3a4b3b23538af75d0a0- 1Carbon monoxidefalse
- 2Carbon dioxidetrue
- 3Sulfur dioxidefalse
- 4Hydrogen peroxidefalse
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Answer : 2. "Carbon dioxide"
Q: By whom is the focus distance corrected in the eye lens?
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5fc9d2c0b3b23538af75ce4d- 1Ratinafalse
- 2irisfalse
- 3ciliary musclestrue
- 4Carniafalse
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Answer : 3. "ciliary muscles"
Q: When we go upstairs in the atmosphere?
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5fc9d1f35c47b65b5b2c2480- 1heat is low and pressure increasesfalse
- 2temperature increases and pressure decreasesfalse
- 3Both temperature and pressure increasefalse
- 4Both temperature and pressure decreasetrue
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Answer : 4. "Both temperature and pressure decrease"
Q: Why put a wooden handle in the kettle?
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5fc9cf7dcac441723c82be24- 1because of fashionfalse
- 2Wood is a bad conductor of heat and the handle is not hottrue
- 3is lightfalse
- 4None of thesefalse
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Answer : 2. "Wood is a bad conductor of heat and the handle is not hot"
Q: Why do you like to paint the house white in summer?
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5fc9cf215c47b65b5b2c2213- 1the eye looks goodfalse
- 2are bad conductors of heatfalse
- 3Heat has good reflectorstrue
- 4are conductors of heatfalse
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Answer : 3. "Heat has good reflectors"
Q: Which metal is the best conductor of heat?
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5fc9ceb2d0af4c56f5f06d0b- 1Goldfalse
- 2Aluminumfalse
- 3Silvertrue
- 4Brassfalse
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Answer : 3. "Silver"
Q: Cat is more visible at night?
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5fc9ce57b3b23538af75ca5a- 1By naturefalse
- 2Due to the special texture of the pupiltrue
- 3daytime sleepfalse
- 4None of thesefalse
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Answer : 2. "Due to the special texture of the pupil"
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