Chemistry Practice Question and Answer
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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: Which of the following is the conductor of nonmetal electricity?
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5feb069af33a00432afeff9b- 1graphitetrue
- 2Copperfalse
- 3Sulfurfalse
- 4diamondfalse
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Answer : 1. "graphite"
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: The tendency to receive electrons is called-
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5f745a3ebb26e87e5eea3a72- 1Oxidationfalse
- 2Reductiontrue
- 3Catalysisfalse
- 4Motivationfalse
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Answer : 2. "Reduction"
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 "
Q: What type of reaction is respiration?
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5f69905d397b1a52908c873a- 1exothermic reactiontrue
- 2combination reactionfalse
- 3oxidation-reduction reactionfalse
- 4two-decomposition reactionfalse
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Answer : 1. "exothermic reaction"
Q: Which is not a property of Ionic bond?
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5fe9ab4f755fc73bd0796506- 1Gain of electronsfalse
- 2Losses of electronsfalse
- 3Transfer of electronsfalse
- 4Sharing of electronstrue
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Answer : 4. "Sharing of electrons"
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"
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