General Science Practice Question and Answer
8 4 Q:
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609202b07748471dd99107a3 4 Q:
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606c27b3c476de27c7b1a555 4 Q:
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64106d9186fd4161468c3186 Answer : 3. "Chalk powder "
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Q: Which of the following statements is not correct?
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6256fb46788437496062dda5- 1Digestion is a chemical change.false
- 2Photosynthesis is a chemical change.false
- 3Respiration is a chemical change.false
- 4Crystallisation is a chemical change.true
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Answer : 4. "Crystallisation is a chemical change. "
Q: Who among the following evolved the concept of the relationship between mass and energy?
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609202b07748471dd99107a3- 1Daltonfalse
- 2Rutherfordfalse
- 3Einsteintrue
- 4Planckfalse
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Answer : 3. "Einstein "
Q: Hemophilia is
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5de50e1b848f4a29cf46b718- 1an organic disorderfalse
- 2a metabolic disorderfalse
- 3a genetic disordertrue
- 4a hormonal disorderfalse
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Answer : 3. "a genetic disorder "
Q: Which is the largest human cell?
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606c27b3c476de27c7b1a555- 1Spleenfalse
- 2Ovumtrue
- 3Liverfalse
- 4Skinfalse
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Answer : 2. "Ovum"
Q: Endothermic reactions are those in which?
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606c26b96a85553684ddc584- 1Temperature increasesfalse
- 2Light is producedfalse
- 3Heat is evolvedfalse
- 4Heat is absorbedtrue
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Answer : 4. "Heat is absorbed"
Q: Which one of the following does not form oxyacid?
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60ab40ef07f3815f3a78d69b- 1Sulphurfalse
- 2Chlorinefalse
- 3Nitrogenfalse
- 4Fluorinetrue
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Answer : 4. "Fluorine "
Q: Which of the following substances is insoluble in water?
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64106d9186fd4161468c3186- 1Saltfalse
- 2Sugarfalse
- 3Chalk powdertrue
- 4Milkfalse
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Answer : 3. "Chalk powder "
Explanation :
Chalk powder, which primarily consists of calcium carbonate, is relatively insoluble in water. While it can react very slowly with water over time to form soluble calcium bicarbonate, the solubility of chalk powder in water is extremely low, making it effectively insoluble for most practical purposes.
Q: Who among the following discovered laws of planetary motion?
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5ec77d4f112c8637e1b3edc5- 1J. Keplertrue
- 2Albert Einsteinfalse
- 3N. Copernicusfalse
- 4Otto Blathyfalse
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Answer : 1. "J. Kepler"
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