Chemistry General Knowledge Questions Practice Question and Answer
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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 is Neela Thoth?
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5f745654f66ef56de842b023- 1Copper sulphatetrue
- 2Calcium sulfatefalse
- 3Iron sulfatefalse
- 4sodium sulfatefalse
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Answer : 1. "Copper sulphate"
Q: What are the main components of Brass Alloy?
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5f43818597c6dd29b38f3769- 1Copper and Zinctrue
- 2Copper, Zinc and Nickelfalse
- 3Copper and Strontiumfalse
- 4Copper and Nickelfalse
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Answer : 1. "Copper and Zinc"
Q: The general name of the elements of 17th group are
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5f5721e0df171125cbc1ae4f- 1Metalsfalse
- 2Noble gasesfalse
- 3Transition elementsfalse
- 4Halogenstrue
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Answer : 4. "Halogens"
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: Oxygenation is a chemical reaction in which
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5f7458b14637db732832e936- 1The electron is discarded.false
- 2Oxygen is a combination.false
- 3The ratio of the positive group increases.false
- 4All of the abovetrue
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Answer : 4. "All of the above"
Q: Who was the inventor of positron?
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61655bfa7d6182610f5d706e- 1Chadwickfalse
- 2Andersontrue
- 3Rutherfordfalse
- 4J.J. Thomsonfalse
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Answer : 2. "Anderson "
Q: Bronze is an alloy of –
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5f15567f4cff381d162659f7- 1Copper and zincfalse
- 2Copper and Leadfalse
- 3Copper and Tintrue
- 4Copper and Silverfalse
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Answer : 3. "Copper and Tin "
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