Q. What is the primary function of antacids?
  • A. To relieve pain
  • B. To reduce acidity
  • C. To increase appetite
  • D. To promote digestion
Q. What is the primary function of baking soda in cooking?
  • A. Thickening agent
  • B. Leavening agent
  • C. Flavor enhancer
  • D. Preservative
Q. What is the primary function of carbohydrates in living organisms?
  • A. Energy storage
  • B. Genetic information
  • C. Catalysis
  • D. Structural support
Q. What is the primary function of emulsifiers in food products?
  • A. Thickeners
  • B. Stabilizers
  • C. Flavor enhancers
  • D. Coloring agents
Q. What is the primary function of enzymes in biological systems?
  • A. Store energy
  • B. Speed up chemical reactions
  • C. Provide structural support
  • D. Transport molecules
Q. What is the primary function of enzymes?
  • A. Store energy
  • B. Speed up chemical reactions
  • C. Provide structure
  • D. Transport substances
Q. What is the primary function of fluoride in dental care products?
  • A. Whitening teeth
  • B. Preventing cavities
  • C. Freshening breath
  • D. Strengthening gums
Q. What is the primary function of fluoride in dental care?
  • A. Whitening teeth
  • B. Preventing cavities
  • C. Strengthening enamel
  • D. Reducing sensitivity
Q. What is the primary function of lipids in biological systems?
  • A. Energy storage
  • B. Catalysis
  • C. Genetic information
  • D. Structural support
Q. What is the primary function of preservatives in food?
  • A. Enhance flavor
  • B. Improve texture
  • C. Prevent spoilage
  • D. Increase nutritional value
Q. What is the primary function of soap in cleaning?
  • A. Disinfecting
  • B. Emulsifying
  • C. Oxidizing
  • D. Reducing
Q. What is the primary greenhouse gas emitted through human activities?
  • A. Carbon Dioxide
  • B. Methane
  • C. Nitrous Oxide
  • D. Ozone
Q. What is the primary intermolecular force present in gases?
  • A. Hydrogen bonding
  • B. Dipole-dipole interactions
  • C. London dispersion forces
  • D. Ionic bonding
Q. What is the primary intermolecular force present in liquid water?
  • A. Ionic bonds
  • B. Covalent bonds
  • C. Hydrogen bonds
  • D. Van der Waals forces
Q. What is the primary intermolecular force present in liquids?
  • A. Ionic bonds
  • B. Covalent bonds
  • C. Dispersion forces
  • D. Dipole-dipole interactions
Q. What is the primary intermolecular force present in water?
  • A. Ionic bonds
  • B. Covalent bonds
  • C. Hydrogen bonds
  • D. Van der Waals forces
Q. What is the primary mechanism of adsorption in physisorption?
  • A. Chemical bonding
  • B. Van der Waals forces
  • C. Hydrogen bonding
  • D. Ionic bonding
Q. What is the primary mechanism of current flow in semiconductors?
  • A. Electron flow only
  • B. Hole flow only
  • C. Both electron and hole flow
  • D. Ionic flow
Q. What is the primary mechanism of heat transfer in a vacuum?
  • A. Conduction
  • B. Convection
  • C. Radiation
  • D. None of the above
Q. What is the primary mechanism of heat transfer in liquids and gases?
  • A. Conduction
  • B. Convection
  • C. Radiation
  • D. Insulation
Q. What is the primary mechanism of heat transfer in liquids?
  • A. Conduction
  • B. Convection
  • C. Radiation
  • D. All of the above
Q. What is the primary method for reducing carbon emissions in urban areas?
  • A. Increasing fossil fuel use
  • B. Promoting public transportation
  • C. Encouraging deforestation
  • D. Reducing recycling efforts
Q. What is the primary method for treating wastewater?
  • A. Filtration
  • B. Chlorination
  • C. Biological treatment
  • D. Incineration
Q. What is the primary method of heat transfer from the Sun to the Earth?
  • A. Conduction
  • B. Convection
  • C. Radiation
  • D. Conduction and Convection
Q. What is the primary method of reducing carbon emissions in transportation?
  • A. Switching to electric vehicles
  • B. Increasing fossil fuel use
  • C. Using more plastic
  • D. Reducing public transport
Q. What is the primary method of treating wastewater?
  • A. Incineration
  • B. Filtration
  • C. Biological treatment
  • D. Chemical treatment
Q. What is the primary method used to treat wastewater?
  • A. Filtration
  • B. Sedimentation
  • C. Biological treatment
  • D. Chemical treatment
Q. What is the primary mode of heat transfer from the Sun to the Earth?
  • A. Conduction
  • B. Convection
  • C. Radiation
  • D. Conduction and Convection
Q. What is the primary mode of heat transfer in a vacuum?
  • A. Conduction
  • B. Convection
  • C. Radiation
  • D. Insulation
Q. What is the primary mode of heat transfer in liquids and gases?
  • A. Conduction
  • B. Convection
  • C. Radiation
  • D. None of the above
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