Organic Chemistry | Inorganic Chemistry | Questions With Answers

Solved Objective Type Organic Chemistry & Inorganic Chemistry MCQs with Answers for Punjab Public Service Commission jobs tests and Federal Public Service Commission jobs tests. Chemical Engineering jobs interviews Viva type questions with solutions.






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Organic & Inorganic MCQs Objective Type Quiz Tests






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Solved Organic & Inorganic Questions With Answers



Q.1: Which of the following fertilizers is not useful for paddy rice ?

  1. urea
  2. DAP
  3. Ammonium sulphate
  4. Ammonium nitrate

D

Q.2: Nucleic acids direct the synthesis of---------- ?

  1. Glucose
  2. Triglycerides
  3. Proteins
  4. All

C

Q.3: When the central atom of coordination compound is sp3d2 hybridization the expected geometry will be-------- ?

  1. tetrahedral
  2. square planar
  3. trigonal bipyramidal
  4. octahedral

D

Q.4: The nutrients which are required in very small amount for the normal growth of plants are called--------- ?

  1. nitrogenous fertilizers
  2. micronutrients
  3. phosphorus fertilizer
  4. all of the above

B

Q.5: Newspaper can be recycled again and again how many times ?

  1. 2
  2. 3
  3. 4
  4. 5

D

Q.6: The percentage of suspended solid waste in raw water is removed by coagulation is--------- ?

  1. 60
  2. 70
  3. 80
  4. 90

C

Q.7: DAP (Diammonium hydrogen phosphate) contains -------------- plant nutrients ?

  1. 60%
  2. 65%
  3. 70%
  4. 75%

D

Q.8: Which of the following is not a secondary pollutant------------ ?

  1. ozone
  2. carbonic acid
  3. sulphuric acid
  4. carbon dioxide

D

Q.9: Polyester resins are the product of the reaction of--------- ?

  1. Dihydric alcohol and dicarboxylic aromatic acids
  2. Polyamines with aliphatic dicarboxylic acids
  3. Styrene in the presence of catalyst
  4. Epichlorohydrin with diphenylol propane

A

Q.10: Which one of the following set of raw material is most suitable for manufacture of urea ?

  1. CH4 N2 and CO2
  2. H2 N2 and CO
  3. H2 CO2 and H2O
  4. H2O N2 and H2

A

Q.11: Regular coiling or zigzagging of polypeptide through hydrogen bonding is its------- ?

  1. Quantum structure
  2. Secondary structure
  3. Tertiary structure
  4. Primary structure

B

Q.12: Cement is a mixture of so many compounds roasted in rotary kiln. Which substances has greater percentage ?

  1. Lime (CaO)
  2. Silica (SiO2)
  3. Alumina (Al2O3)
  4. Magnesia (MgO)

A

Q.13: Lipids are soluble in---------- ?

  1. Organic solvents
  2. Organic and inorganic solvents
  3. Inorganic solvents
  4. Solubility has nothing to do with lipids

A

Q.14: Industrial materials and thermal power stations are coated with-------- ?

  1. Polyester resins
  2. Epoxy paints
  3. Polyamide resins
  4. Polyvinyl chloride

B

Q.15: The yellow colour in photochemical smog is due to presence of------------ ?

  1. dinitrogen oxide
  2. nitrogen dioxide
  3. chlorine gas
  4. chlorine dioxide

B

Q.16: Nucleic acids were first demonstrated in----------- ?

  1. Pus cells
  2. Sperm heads
  3. 1872
  4. all of the above

A

Q.17: Which is sold as fertilizer -------- ?

  1. CaSiO3
  2. Na2SiO3
  3. Ca3(PO4)2
  4. MnSiO3

C

Q.18: Chlorination of water may be harmful if the water contains------- ?

  1. Ammonia
  2. Dissolved oxygen
  3. Carbon dixide
  4. All

A

Q.19: The main pollutant of leather tanneries in the waste water is-------- ?

  1. chromium III
  2. chromium IV
  3. chromium V
  4. chromium VI

B

Q.20: Requirement of macronutrient per acre of the land is--------- ?

  1. 5 to 200 kg
  2. 20-200 kg
  3. 200-400 kg
  4. 30-400 kg

A


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