General Science Practice Question and Answer
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Q: Which of the following metals is used in Space Crafts to withstand high temperatures?
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5ed49cde5ccf7008ed88d9a7- 1Pbfalse
- 2Titrue
- 3Fefalse
- 4Nifalse
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Answer : 2. "Ti "
Q: The hydrogen burning process is directly associated with:
2155 06023e14de4d6c265698f552f
6023e14de4d6c265698f552f- 1Oxidationtrue
- 2Hydrogenationfalse
- 3Hydrolysisfalse
- 4Reductionfalse
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Answer : 1. "Oxidation"
Q: What is the chemical composition of Red Lead?
2150 05eb9415d64cb07648b62d82d
5eb9415d64cb07648b62d82d- 1Pb3O4true
- 2Hgsfalse
- 3Pbofalse
- 4Pbsfalse
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Answer : 1. "Pb3O4 "
Q: Solar cells work on the principle of
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5df9df9f80cad641a0c9fd86- 1Photovoltaic effecttrue
- 2photoelectric effectfalse
- 3photoconductive effectfalse
- 4photosynthesisfalse
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Answer : 1. "Photovoltaic effect "
Q: The ozone layer absorbs
2144 05db92951889f1c0878bb0024
5db92951889f1c0878bb0024- 1infrared radiationfalse
- 2microwavesfalse
- 3radio wavefalse
- 4ultraviolet raystrue
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Answer : 4. "ultraviolet rays"
Q: Which of the following is also called Marsh Gas?
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5e7ee26c1425f51f3ac1f5cb- 1Propanefalse
- 2Ethanefalse
- 3Methanetrue
- 4Butanefalse
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Answer : 3. "Methane"
Q: Removal of land by the action of air and water is called?
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5e5761f12ec0ee6eac1131e0- 1Erosiontrue
- 2Fossil buildingfalse
- 3Calci Buildingfalse
- 4Salt Buildingfalse
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Answer : 1. "Erosion "
Q: Acid rain is mainly a mixture of—
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5de4921f80801d48fb7e6f96- 1Sulphuric acid and nitric acidtrue
- 2Hexane and methanefalse
- 3Acetic acid and brominefalse
- 4Ascorbic acid and citric acidfalse
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Answer : 1. "Sulphuric acid and nitric acid"
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