Chemistry Practice Question and Answer
8 4 Q:
5feb06f200e3f71b828c287a 4 Q:
5f06dcb83f7f07047795e462 4 Q:
5f0439f6d996064ceba91846 4 Q:
61275cd493f02206607eb0af Answer : 2. "Mercury"
4 Q:
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5fe9a5d9755fc73bd0795223 Answer : 2. "
4 Q:
5eeb131bad25df5a632567d5 4 Q:
5ef58bbe196e681f76d9c38c
Q: Which of the following metals can be cut with a knife?
1401 05feb06f200e3f71b828c287a
5feb06f200e3f71b828c287a- 1Magnesiumfalse
- 2Sulfurfalse
- 3Sodiumtrue
- 4Chromiumfalse
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Answer : 3. "Sodium"
Q: Which of the following is the lightest element in the universe?
1401 05f06dcb83f7f07047795e462
5f06dcb83f7f07047795e462- 1Nitrogenfalse
- 2Siliconfalse
- 3Heliumfalse
- 4Hydrogentrue
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Answer : 4. "Hydrogen "
Q: Burning of Hydrogen produces
1383 05f0439f6d996064ceba91846
5f0439f6d996064ceba91846- 1Soilfalse
- 2Watertrue
- 3Oxygenfalse
- 4Ashfalse
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Answer : 2. "Water"
Q: Which of these metals is found in liquid state?
1381 061275cd493f02206607eb0af
61275cd493f02206607eb0af- 1Ironfalse
- 2Mercurytrue
- 3Silverfalse
- 4Othersfalse
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Answer : 2. "Mercury"
Explanation :
Mercury is the only metal that is liquid at normal temperatures.
Q: What is the mass number of an element, the atom of which contains two Protons, two neutrons and two electrons?
1380 05ee35e7455d51a0f6482cd3c
5ee35e7455d51a0f6482cd3c- 12false
- 24true
- 36false
- 48false
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Answer : 2. "4 "
Q: Which of the following is not a normal salt?
1374 05fe9a5d9755fc73bd0795223
5fe9a5d9755fc73bd0795223- 1false
- 2true
- 3false
- 4false
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Answer : 2. "
Q: Used in removing permanent hardness of water?
1349 05eeb131bad25df5a632567d5
5eeb131bad25df5a632567d5- 1running sodatrue
- 2bleaching powderfalse
- 3Caustic sodafalse
- 4Baking Sodafalse
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Answer : 1. "running soda"
Q: The maximum number of electrons that can be accommodated in M shell is:
1338 05ef58bbe196e681f76d9c38c
5ef58bbe196e681f76d9c38c- 18false
- 232false
- 318true
- 42false
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