Chemistry General Knowledge Questions Practice Question and Answer
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Q: In atom, neutron was discovered by –
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5f0ed5dfdcdb5f61f5c4c220- 1Rutherfordfalse
- 2Newtonfalse
- 3J.J . Thomsonfalse
- 4Chadwicktrue
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Answer : 4. "Chadwick "
Q: Horizontal columns are called in the Periodic table.
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5f8fcd22f28f4b47be4b616c- 1Periodictrue
- 2Classfalse
- 3Electrical chemical sequencefalse
- 4Non-metalfalse
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Answer : 1. "Periodic"
Q: Which of the following gases turn lime water milky?
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609e4dcc1679a537e39efa2e- 1Carbon Dioxidetrue
- 2Oxygenfalse
- 3Nitrogenfalse
- 4Hydrogenfalse
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Answer : 1. "Carbon Dioxide "
Q: The tendency to receive electrons is called-
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5f745a3ebb26e87e5eea3a72- 1Oxidationfalse
- 2Reductiontrue
- 3Catalysisfalse
- 4Motivationfalse
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Answer : 2. "Reduction"
Q: Electronic configuration of the outer shell of the element Gd with atomic number 64 is
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63c923ad1e8e3f3e1a3a6f02- 14f4 5df 6s1false
- 24f3 5df 6s2false
- 34f5 5d4 6s1false
- 44f7 5d1 6s2true
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Answer : 4. "4f7 5d1 6s2"
Q: Isotopes of an element do not have ______.
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5f571a03c1a5d57a183026b9- 1Same number of electronsfalse
- 2Same number of protonsfalse
- 3Same chemical propertiesfalse
- 4Same physical propertiestrue
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Answer : 4. "Same physical properties"
Q: Which energy is converted into electrical energy by a solar cell?
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60fe429981fb4616a6566734- 1Chemical Energyfalse
- 2Nuclear energyfalse
- 3Solar energytrue
- 4Magnetic energyfalse
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Answer : 3. "Solar energy"
Q: Which of the following is not necessary for photosynthesis?
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5f86a738b7ad805e26c18d43- 1Oxygentrue
- 2Chlorophyllfalse
- 3Sunlightfalse
- 4Carbon dioxidefalse
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Answer : 1. "Oxygen "
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