Chemistry Practice Question and Answer
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650ab26a63078e50a28c8adb Answer : 2. "If it has more electrons than neutrons"
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Q: The atomic nucleus was discovered by
2072 05f0ecca3dcdb5f61f5c4abe9
5f0ecca3dcdb5f61f5c4abe9- 1Einsteinfalse
- 2Thompsonfalse
- 3Rutherfordtrue
- 4Daltonfalse
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Answer : 3. "Rutherford "
Q: Which one of the following is also known as ' wood spirit’s?
2059 05efc069ee824154f4027ad4b
5efc069ee824154f4027ad4b- 1Methyl alcoholtrue
- 2Ethyl alcoholfalse
- 3Ethylene glycolfalse
- 4Glycerolfalse
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Answer : 1. "Methyl alcohol "
Q: Boiling Point of a liquid due to impurities
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5f6c3046b2d86d455070b891- 1increasestrue
- 2decreasesfalse
- 3remains unchangedfalse
- 4None of thesefalse
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Answer : 1. "increases"
Q: Which of the following will be a negative ion?
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650ab26a63078e50a28c8adb- 1If it has more electrons than protonsfalse
- 2If it has more electrons than neutronstrue
- 3If it has more protons than electronsfalse
- 4If it has more protons than neutronsfalse
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Answer : 2. "If it has more electrons than neutrons"
Explanation :
If an atom has more electrons than protons, it is a negative ion or anion. If it has more protons than electrons, it is a positive ion.
Q: What do you call the type of drugs that mimic the natural messenger by switching on the receptor?
2043 064c390a7d3a6d4481ef1e4a3
64c390a7d3a6d4481ef1e4a3- 1Antidepressantsfalse
- 2Depressantsfalse
- 3Agonisttrue
- 4Antagonistsfalse
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Answer : 3. "Agonist"
Q: What is used of Capacitor in an electrical circuit?
2036 05ef431887c1ec61320b5ce2a
5ef431887c1ec61320b5ce2a- 1Step down voltagefalse
- 2Step up voltagefalse
- 3Store electric chargetrue
- 4Produce electric chargefalse
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Answer : 3. "Store electric charge"
Q: The maximum number of electrons that can be accommodated in M shell is:
2027 05ef58bbe196e681f76d9c38c
5ef58bbe196e681f76d9c38c- 18false
- 232false
- 318true
- 42false
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Answer : 3. "18"
Q: Lightest metal is___
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5f7465f1a921aa16e68bd6a5- 1Potassiumfalse
- 2Lithiumtrue
- 3Sodiumfalse
- 4Aluminumfalse
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Answer : 2. "Lithium"
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