Chemistry MCQ
Chemistry General Knowledge as Chemistry Multiple Choice Question Answer
Q1. After some time period electrochemical cell stop working due to
- Direction of rate of reaction get reverse
- One Electrode get completely consumed
- Both Electrodes get completely consumed
- Electrode potential of the both electrodes get equalizes
Q2. _______ is used to produce artificial rain
- Carbon Monooxide
- Copper Oxide
- Silver Iodide
- Silver Nitrate
Q3. Zero Group elements are
- Unreactive Non-metals
- Reactive Metals
- Reactive Non-metals
- Unreactive Metals
Q4. Reaction between the chlorine and methane in the presence of diffused sunlight is
- Polymerization
- Oxidation
- Substitution
- Reduction
Q5. Copper is recovered from the solution of copper sulphate, with the help of
- Na
- Hg
- Ag
- Fe
Q6. Oxidation reaction represents
- Electrons are lost
- Electrons are gained
- Protons are lost
- Protons are gained
Q7. _______ acid is also known as oil of vitriol
- Phosphoric acid
- Hydrochloric acid
- Sulphuric acid
- Aquaregia
Q8. Proton have ___ charge and Electron have ___ charge
-1, +1 -1, -2 +1, -1 +2, -2
Q9. ______ aluminum alloy is used in manufacturing of magnets
- Alnico
- Aluminum bronze
- Y-Alloy
- None
Q10. Number of electrons in the d-orbital of Fe+2 (Z=26) is not equal to
- Number of electrons in p-orbital of Ne (Z=10)
- Number of electrons in d-orbital of Fe (Z=26)
- Number of electrons in s-orbital of Mg (Z=12)
- Number of electrons in p-orbital of Cl (Z=17)
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