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Saturday, 4 November 2017

objectives question with solution

Q1.Who is father of modern chemistry

  • Rutherford
  • C.V.Raman
  • Lavoisier
  • Einstein
Ans 1: Lavoisier

Q2.Who is father of modern atomic theory

  • Rutherford
  • John Dalton
  • Jaber
  • Robert Boyle
Ans 2: John Dalton

Q3.Who is father of modern chemical thermodynamics

  • Rutherford
  • C.V.Raman
  • Lavoisier
  • Willard Gibbs
Ans 3: Willard Gibbs

Q4.Who is father of green chemistry

  • Paul Anastas
  • Otto Hahn 
  • Sandhu Green
  • Willard Gibbs
Ans 4: Paul Anastas

Q5.Who is father of nuclear chemistry

  • Marie Curie
  • Otto Hahn 
  • J.S. Sandhu
  • John Dalton
Ans 5: Otto Hahn
  

Q6.Who is father of periodic table

  • Dimitri Mendeleev
  • Albert Einstein
  • Rutherford
  • John Dalton
Ans 6: Dimitri Mendeleev

Q7.Who is father of physical chemistry

  • Mikhail Lomonosov
  • J. Van't Hoff
  • S. Arrhenius and W. Ostwald
  • All of Above
Ans 7: All of Above i.e. Mikhail Lomonosov, J. Van't Hoff, S. Arrhenius and W. Ostwald

Q8.Who coined the term physical chemistry

  • Mikhail Lomonosov
  • J. Van't Hoff
  • S. Arrhenius and W. Ostwald
  • All of Above
Ans 8: Mikhail Lomonosov

Q9.Who is the father of modern geochemistry

  • Victor Goldschmidt
  • Eratosthenes
  • Georgeus Agricola
  • Alfered Wegener
Ans 9: Victor Goldschmidt

Q10.Which is Iron's purest form

  • Steel
  • Wrought Iron
  • Pig Iron
  • Nickel Iron
Ans 10: Wrought Iron



Q11. Horizontal rows in periodic table is known as

  • Periods
  • Groups
  • Columns
  • Periodic Rows
Ans : Periods

Q12. Which gas also known as stranger gas

  • Nitrous Oxide
  • Argon
  • Neon
  • Xenon
Ans : Xenon

Q13. Atomic nucleus contains

  • Electron and Proton
  • Proton and Neutron
  • Electron and Neutron
  • Electron, Proton and Neutron
: Proton and Neutron

Q14. The Principle that "Atom is neither created nor destroyed" is given by

  • Rutherford
  • Neilsbohr
  • Einstein
  • Dalton
Ans: Dalton

Q15. Select the correct structure of IF7

  • Tetrahedral
  • Square pyramidal
  • Pentagonal bipyramidal
  • Trigonal bipyramidal
Ans  Pentagonal bipyramidal

Q16. Lemon contains

  • Citric Acid
  • Hydrochloric Acid
  • Lactic Acid
  • Marlic Acid
Ans Citric Acid

Q17. Vertical Columns in periodic table is known as

  • Periods
  • Groups
  • Periodic Columns
  • Periodic Rows
Ans Groups

Q18. ______ have maximum density

  • Water
  • Ice
  • Chloroform
  • Benzene
Ans : Water  

Q19. Number of moles of solute present in one kilogram of solvent is known as

  • Formality
  • Molarity
  • Normality
  • Molality
Ans : Molality

Q20. 2,4-D (Broad Leave Weed Killer) is a synthetic version of

  • Cytokinin Hormone
  • Auxin Hormone
  • Both
  • None
Ans : Auxin Hormone


Q1. Rare gases are

  • Mono Atomic
  • Di Atomic
  • Tri Atomic
  • Tetra Atomic
Ans of Chemistry GK MCQ Question Q1: Di Atomic

Q2. Alkali metals belong to

  • Group 0 in Periodic Table
  • Group 1 in Periodic Table
  • Group 2 in Periodic Table
  • Group 3 in Periodic Table
Ans of Chemistry GK MCQ Question Q2: Group 1 in Periodic Table

Q3. Alkaline Earth metals belong to

  • Group 0 in Periodic Table
  • Group 1 in Periodic Table
  • Group 2 in Periodic Table
  • Group 3 in Periodic Table
Ans of Chemistry GK MCQ Question Q3: Group 2 in Periodic Table

Q4. Alkaline Earth metal is

  • Na
  • Mg
  • O
  • Fe
Ans of Chemistry GK MCQ Question Q4: Mg

Q5. Noble Gases belong to

  • Group 0 in Periodic Table
  • Group 1 in Periodic Table
  • Group 2 in Periodic Table
  • Group 3 in Periodic Table
Ans of Chemistry GK MCQ Question Q5: Group 0 in Periodic Table

Q6. Power Alcohol contains

  • Ethyl Alcohol
  • Methyl Alcohol
  • Ethylene Alcohol
  • None
Ans of Chemistry GK MCQ Question Q6: Ethyl Alcohol

Q7. Most electronegative element is

  • Sodium
  • Bromine
  • Oxygen
  • Fluorine
Ans of Chemistry GK MCQ Question Q7: Fluorine

Q8. Vinegar is aqueous solution of

  • Citric Acid
  • Hydrochloric Acid
  • Acetic Acid
  • Oxalic Acid
Ans of Chemistry GK MCQ Question Q8: Acetic Acid

Q9. Hydrogen bomb is based on which of the following principle

  • Nuclear Fusion
  • Nuclear Fission
  • Both
  • None
Ans of Chemistry GK MCQ Question Q9: Nuclear Fusion

Q10. PVC used in plastic industry, its full form is

  • Polyvinyl Chloride
  • Polyvinyl Carbohydrate
  • Polyvanadium Chloride
  • None
Ans of Chemistry GK MCQ Question Q10: Polyvinyl Chloride



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
Ans of Chemistry GK MCQ Question Q1: Electrode potential of the both electrodes get equalizes 

Q2. _______ is used to produce artificial rain

  • Carbon Monooxide
  • Copper Oxide
  • Silver Iodide
  • Silver Nitrate
Ans of Chemistry GK MCQ Question Q2: Silver Iodide

Q3. Zero Group elements are

  • Unreactive Non-metals
  • Reactive Metals 
  • Reactive Non-metals
  • Unreactive Metals
Ans of Chemistry GK MCQ Question Q3: Unreactive Non-metals

Q4. Reaction between the chlorine and methane in the presence of diffused sunlight is

  • Polymerization
  • Oxidation 
  • Substitution
  • Reduction
Ans of Chemistry GK MCQ Question Q4: Substitution

Q5. Copper is recovered from the solution of copper sulphate, with the help of

  • Na 
  • Hg
  • Ag
  • Fe
Ans of Chemistry GK MCQ Question Q5: Fe

Q6. Oxidation reaction represents

  • Electrons are lost
  • Electrons are gained
  • Protons are lost 
  • Protons are gained
Ans of Chemistry GK MCQ Question Q6: Electrons are lost 

Q7. _______ acid is also known as oil of vitriol

  • Phosphoric acid
  • Hydrochloric acid
  • Sulphuric acid
  • Aquaregia
Ans of Chemistry GK MCQ Question Q7: Sulfuric acid

Q8. Proton have ___ charge and Electron have ___ charge

  • -1,  +1
  • -1,  -2
  • +1,  -1 
  • +2,  -2
Ans of Chemistry GK MCQ Question Q8: +1,  -1 

Q9. ______ aluminum alloy is used in manufacturing of magnets

  • Alnico
  • Aluminum bronze
  • Y-Alloy
  • None
Ans of Chemistry GK MCQ Question Q9: Alnico 

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)
Ans of Chemistry GK MCQ Question Q10: Number of electrons in p-orbital of Cl (Z=17)

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