Major Competitive Exams

Q. Which of the following is a common household disinfectant?
  • A. Bleach
  • B. Vinegar
  • C. Baking soda
  • D. Salt
Q. Which of the following is a common method for synthesizing aromatic compounds?
  • A. Friedel-Crafts alkylation
  • B. Hydrogenation
  • C. Dehydration
  • D. Oxidation
Q. Which of the following is a common method for the synthesis of aromatic compounds?
  • A. Hydrogenation
  • B. Dehydrogenation
  • C. Electrophilic substitution
  • D. Nucleophilic addition
Q. Which of the following is a common method to measure the surface area of adsorbents?
  • A. TGA
  • B. BET method
  • C. XRD
  • D. FTIR
Q. Which of the following is a common method to measure the surface area of an adsorbent?
  • A. TGA
  • B. BET method
  • C. XRD
  • D. FTIR
Q. Which of the following is a common oxidation state of Chromium?
  • A. +2
  • B. +3
  • C. +6
  • D. All of the above
Q. Which of the following is a common oxidizing agent?
  • A. H2O2
  • B. NaCl
  • C. CH4
  • D. C6H12O6
Q. Which of the following is a common preservative used in food?
  • A. Sodium chloride
  • B. Sodium benzoate
  • C. Sucrose
  • D. Vinegar
Q. Which of the following is a common property of group 14 elements?
  • A. They are all gases
  • B. They can form multiple oxidation states
  • C. They are all nonmetals
  • D. They have low melting points
Q. Which of the following is a common test for the presence of aromatic compounds?
  • A. Bromine water test
  • B. Baeyer test
  • C. Tollen's test
  • D. Benzene test
Q. Which of the following is a common use of aspirin in everyday life?
  • A. Pain relief
  • B. Antibiotic
  • C. Antidepressant
  • D. Antihistamine
Q. Which of the following is a common use of aspirin?
  • A. Pain relief
  • B. Antibiotic
  • C. Antidepressant
  • D. Antihistamine
Q. Which of the following is a common use of chlorine in everyday life?
  • A. Disinfecting water
  • B. Flavoring food
  • C. Coloring hair
  • D. Preserving meat
Q. Which of the following is a common use of ethanol in everyday life?
  • A. Fuel
  • B. Antiseptic
  • C. Solvent
  • D. All of the above
Q. Which of the following is a common use of ethanol?
  • A. Fuel
  • B. Antiseptic
  • C. Solvent
  • D. All of the above
Q. Which of the following is a common use of hydrogen peroxide in households?
  • A. Disinfectant
  • B. Bleach
  • C. Antiseptic
  • D. All of the above
Q. Which of the following is a common use of hydrogen peroxide?
  • A. Disinfectant
  • B. Bleach
  • C. Antiseptic
  • D. All of the above
Q. Which of the following is a common use of ketones?
  • A. Solvents
  • B. Preservatives
  • C. Fragrances
  • D. All of the above
Q. Which of the following is a common use of polyethylene?
  • A. Insulation for wires
  • B. Packaging materials
  • C. Automobile parts
  • D. Textiles
Q. Which of the following is a common use of polyvinyl chloride (PVC)?
  • A. Food packaging
  • B. Electrical insulation
  • C. Clothing
  • D. Automobile tires
Q. Which of the following is a common use of PVC?
  • A. Clothing
  • B. Pipes
  • C. Food packaging
  • D. Adhesives
Q. Which of the following is a common use of silicon?
  • A. Fertilizers
  • B. Semiconductors
  • C. Explosives
  • D. Dyes
Q. Which of the following is a common use of sodium bicarbonate in everyday life?
  • A. Baking
  • B. Cleaning
  • C. Pest control
  • D. All of the above
Q. Which of the following is a common use of transition metals?
  • A. Insulators
  • B. Catalysts
  • C. Noble gases
  • D. Non-metals
Q. Which of the following is a common use of vinegar in households?
  • A. Cleaning agent
  • B. Food preservative
  • C. Flavoring agent
  • D. All of the above
Q. Which of the following is a common use of vinegar?
  • A. Preservative
  • B. Cleaning agent
  • C. Flavoring agent
  • D. All of the above
Q. Which of the following is a component of nucleotides?
  • A. Fatty acids
  • B. Amino acids
  • C. Nitrogenous bases
  • D. Monosaccharides
Q. Which of the following is a compound of hydrogen and carbon?
  • A. H2O
  • B. CH4
  • C. NaH
  • D. HCl
Q. Which of the following is a consequence of acid rain?
  • A. Soil degradation
  • B. Increased biodiversity
  • C. Improved crop yield
  • D. None of the above
Q. Which of the following is a consequence of eutrophication in water bodies?
  • A. Increased biodiversity
  • B. Decreased oxygen levels
  • C. Improved water clarity
  • D. Reduced algal growth
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