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Chemistry Lecturer Job Test MCQs With Answers

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 If you are looking Chemistry Objective type MCQs with answers for exams Preparations or jobs interview test you are here on right page. Most important Multiple Choice Chemistry Lecturer Job test question answers learn here for PPSC, FPSC, KPPSC, SPSC, NTS, PTS,BPSC and other competitive tests.

Chemistry MCQs

Chemistry Lecturer Jobs Test Question Answers MCQs



Q.1: NMR uses which source of radiation?
  1. Microwaves
  2. Radio waves
  3. Visible lightwrong
  4. UV
B
Q.2: Which of the following chemical is destroying the earth's protective ozone layer?
  1. All options
  2. Halons
  3. HCFCs
  4. chlorofluorocarbons (CFCs)
A
Q.3: Which of the following is an example of hexadentate ligand?
  1. 2, 2-bipyridine
  2. Ethylenediamine
  3. 1-10 phenanthroline
  4. Ethylenediamine tetra acetate ion (EDTA)
D
Q.4: According to Le Chatelier's principle; adding heat to a solid and liquid in equilibrium will cause the--?
  1. Amount of liquid to decrease
  2. Temperature to rise
  3. Amount of solid to decrease
  4. Temperature to fall
C
Q.5: The hardest natural mineral found on the earth is--?
  1. Coal
  2. Diamond
  3. Iron
  4. Graphite
B
Q.6: The molecularity of a reaction is always a------------?
  1. All options
  2. Whole number
  3. Rational number
  4. Round number
B
Q.7: Which type of reaction is: NaCl + AgNO3 → NaNO3 + AgCl ?
  1. acid-base reaction
  2. double displacement reaction
  3. Single displacement
  4. redox reaction
B
Q.8: A gas has a volume of 2 liters at S.T.P at constant pressure; at what temperature would the gas occupy a volume of 4 liters?
  1. 273 °C
  2. 546 °C
  3. 50 °C
  4. 100 °C
A
Q.9: Which gas would deviate the most from ideal behavior?
  1. Ne
  2. He
  3. Xe
  4. Kr
C
Q.10: What is the most common cause of night blindness?
  1. Deficiency of vitamin B
  2. Deficiency of vitamin D
  3. Deficiency of vitamin K
  4. Deficiency of vitamin A
D
Q.11: Which of the following gas decolorize KMnO4 solution but does not give test with ammoniacal AgNO3 solution?
  1. Acetylene
  2. Ethylene
  3. Ethanol
  4. Methane
B
Q.12: Which of the following oxides can dissolve in water to form a solution that would turn litmus paper to red?
  1. CO2
  2. K2O
  3. ZnO
  4. H2O
A
Q.13: Which of the following solution will conduct the current?
  1. Sugar in ethanol
  2. MgCl2 in water
  3. Iodine in ethanol
  4. Sugar in water
B
Q.14: What happens to the reaction rate if more reactants are added?
  1. rate of reaction remains constant
  2. rate of reaction decreases
  3. rate of reaction increases
  4. All in
C
Q.15: The energy required to separate nucleons completely into its constituent protons and neutrons is known as?
  1. Binding energy
  2. Ionization energy
  3. Atomic energy
  4. Bond energy
A
Q.16: Which of the following does not give Lassaignes test for nitrogen?
  1. Azobenzene
  2. Phenylhydrazine
  3. Glycine
  4. Urea
A
Q.17: The most common solvent used in IR Spectroscopy is--------?
  1. CH3CH2OH
  2. Alcohol
  3. CH30H
  4. CCL4
D
Q.18: Which type of reaction is: 6NaOH+3Cl2 → 5NaCl+NaClO3+3H2O ?
  1. Chlorine is reduced
  2. Disproportionation reaction
  3. Chlorine is oxidized
  4. Redox reaction
B
Q.19: Zwitter ion exists in which of the following--------?
  1. Alanine
  2. Vitamin B12
  3. Glycine HCL
  4. All options
A
Q.20: The oxidation number of P in KH2PO2 is?
  1. 4
  2. 1
  3. -4
  4. -1
B
Q.21: A catalyst increases the rate of reaction because it---?
  1. decreases the activation energy
  2. increases the activation energy
  3. increases the temperature
  4. decreases collision diameter
A
Q.22: The temperature of the system decreases in a------?
  1. adiabatic expansion
  2. isothermal expansion
  3. isothermal compression
  4. adiabatic compression
A
Q.23: What is the ratio between neutrons in C and Si with respect to atomic weight 12 and 28 respectively?
  1. 3:2
  2. 2:7
  3. 3:7
  4. 3:5
C
Q.24: Choose the correct hybridization type of benzene?
  1. SP
  2. SP2
  3. SP3
  4. SP4
B
Q.25: Which of the following compound does not give Lassaigne's test for nitrogen?
  1. Glycine
  2. Urea
  3. Hydrazine
  4. Phenyl Hydrazine
C
Q.26: Which of the following aqueous solutions can conduct electricity?
  1. NaCl
  2. Urea
  3. Glucose
  4. Sucrose
A
Q.27: Which of the following is known as marsh gas?
  1. CCL4
  2. O3
  3. Cl2
  4. CH4
D
Q.28: Why do real gases deviate from ideal gas behavior?
  1. All options
  2. intermolecular forces between molecules
  3. collisions aren't always elastic
  4. gas molecules have volume
A
Q.29: Which of the following anion is the weakest base?
  1. C2H5O-
  2. F-
  3. CH3COO-
  4. NO3-
D
Q.30: Which of the following equation is not affected by the change in pressure?
  1. N2+O2 → 2NO
  2. N2+3H2 → 2NH3
  3. P2O5 → P2O+O2
  4. 2SO2+O2 → 2SO3
A
Q.31: Which of the following organic compound is least soluble in water?
  1. Amines
  2. methane
  3. octane
  4. Carboxylic acid
C
Q.32: Which of the following is a bad conductor of electricity?
  1. Copper
  2. seawater
  3. Pure water
  4. Vinegar
C
Q.33: Enzymes belong to which of the following class of compounds----?
  1. Carbohydrates
  2. Vitamins
  3. Proteins
  4. Lipids
C
Q.34: Fats + NaOH → ------------ + Glycerol; which product is formed in this reaction?
  1. Fat
  2. Oil
  3. Paper
  4. Soap
D
Q.35: Benzene has----------pi electors?
  1. 4
  2. 2
  3. 8
  4. 6
D
Q.36: Which of the following aqueous solution is the best conductor of electricity?
  1. 0.1 M NaOH
  2. 0.1 M NH4OH
  3. 0.1 M HCN
  4. 0.1 M NH2CONH2
A
Q.37: The stability of nucleus is due to--?
  1. All options
  2. protons and neutrons
  3. protons and electors
  4. neutron and electron
B
Q.38: Who proposed the law of mass action?
  1. lewis and clark
  2. Lowry and Bronsted
  3. Peter Waage and Guldberg
  4. boyle and sorensen
C
Q.39: Which of the following catalyst is used in the hydrogenation of vegetable oil?
  1. iron
  2. nickel
  3. platinum
  4. zeolites
B
Q.40: According to Brønsted–Lowry theory bases are----?
  1. proton donor
  2. electron-pair donor
  3. All options
  4. proton accepter
D
Q.41: What is the SI unit of active mass?
  1. newton/m3
  2. joule/m3
  3. mol/m3
  4. pascal/m3
C
Q.42: According to the Lewis theory acid is----?
  1. electron-pair accepter
  2. electron-pair donor
  3. All options
  4. proton accepter
A
Q.43: What is the example of Hexadentate ligand that can form complexes with soft metal ions?
  1. TPEN
  2. Aminodiacetate ion
  3. Dimethylglyoxime
  4. 2, 2-dipyridyl
A
Q.44: According to Brønsted–Lowry theory an acid is----?
  1. proton donor
  2. electron-pair donor
  3. All options
  4. proton accepter
A
Q.45: The helical structure of a protein is stabilized by--?
  1. Oxygen bonds
  2. Hydrogen bonds
  3. Carbon bonds
  4. Helium bonds
B
Q.46: The entropy of universe is always---------?
  1. decreasing
  2. increasing
  3. Constant
  4. No change
B
Q.47: Which of the following metal has the highest electrical conductivity?
  1. Silver
  2. Gold
  3. Copper
  4. Bronze
A
Q.48: Solve the EAN value of Fe(CO)5?
  1. 28
  2. 25
  3. 10
  4. 36
D
Q.49: The pink color of phenolphthalein in alkaline medium is due to--?
  1. anionic form of phenolphthalein
  2. OH- of alkali
  3. acidic form of phenolphthalein
  4. non conjugated structure of phenolphthalein
B
Q.50: KCL in the molten state can conduct electricity because of-------?
  1. free ions
  2. free electrons
  3. free protons
  4. free nucleus
A
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