Chemistry Practice Question and Answer
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Q: Which among the following noble gas has highest molar mass?
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5f083354429a37679ec22f49- 1Krfalse
- 2nefalse
- 3Arfalse
- 4Xetrue
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Answer : 4. "Xe"
Q: Which one of the following is not a plant product?
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5f06ea13b13c2d244adb04f1- 1Nicotinefalse
- 2Saccharintrue
- 3Caffeinefalse
- 4Piperinefalse
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Answer : 2. "Saccharin "
Q: Which one of the following polymer is used in making bullet - proof vest?
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5f06e6dfb13c2d244adae1f1- 1Teflonfalse
- 2Polyurethanefalse
- 3Bakelitefalse
- 4Polyamidetrue
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Answer : 4. "Polyamide "
Q: Which of the following is the lightest element in the universe?
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5f06dcb83f7f07047795e462- 1Nitrogenfalse
- 2Siliconfalse
- 3Heliumfalse
- 4Hydrogentrue
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Answer : 4. "Hydrogen "
Q: Burning of Hydrogen produces
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5f0439f6d996064ceba91846- 1Soilfalse
- 2Watertrue
- 3Oxygenfalse
- 4Ashfalse
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Answer : 2. "Water"
Q: Baking soda is
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5f04358ed996064ceba911d9- 1Sodium Sulphatefalse
- 2Sodium Hydroxidefalse
- 3Sodium Chloridefalse
- 4Sodium Bicarbonatetrue
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Answer : 4. "Sodium Bicarbonate "
Q: Which is known as carbolic acid?
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5f029a3e7a5a806340b1064a- 1Phenoltrue
- 2Ethanolfalse
- 3Acetic acidfalse
- 4Oxalic acidfalse
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Answer : 1. "Phenol "
Q: Which one of the following is also known as ' wood spirit’s?
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5efc069ee824154f4027ad4b- 1Methyl alcoholtrue
- 2Ethyl alcoholfalse
- 3Ethylene glycolfalse
- 4Glycerolfalse
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Answer : 1. "Methyl alcohol "
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