Chemistry

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Q. What is the IUPAC name for CH3COOH?
  • A. Methanol
  • B. Ethanol
  • C. Acetic acid
  • D. Butanoic acid
Q. What is the main difference between a gas and a plasma?
  • A. Density
  • B. Temperature
  • C. Ionization
  • D. Volume
Q. What is the main difference between a liquid and a gas?
  • A. Shape
  • B. Volume
  • C. Density
  • D. All of the above
Q. What is the main product of the reaction between an acid and a carbonate? (2019)
  • A. Salt
  • B. Water
  • C. Carbon dioxide
  • D. All of the above
Q. What is the main product of the thermal decomposition of calcium carbonate (CaCO3)? (2019)
  • A. Calcium oxide (CaO)
  • B. Carbon dioxide (CO2)
  • C. Calcium hydroxide (Ca(OH)2)
  • D. Calcium carbide (CaC2)
Q. What is the main product when an alcohol is oxidized?
  • A. Alkane
  • B. Aldehyde
  • C. Ketone
  • D. Carboxylic acid
Q. What is the main product when an alcohol undergoes dehydration?
  • A. Alkane
  • B. Alkene
  • C. Alkyne
  • D. Ether
Q. What is the main product when an alkene undergoes hydrohalogenation?
  • A. Alcohol
  • B. Haloalkane
  • C. Alkane
  • D. Alkyl halide
Q. What is the main reason that gases fill their containers completely? (2023)
  • A. Particles are tightly packed
  • B. Particles are in fixed positions
  • C. Particles move freely and rapidly
  • D. Particles have high density
Q. What is the main reason that solids maintain their shape? (2023)
  • A. Particles are in constant motion
  • B. Particles are tightly packed and vibrate in place
  • C. Particles are loosely arranged
  • D. Particles have high kinetic energy
Q. What is the main use of aluminum in construction? (2020)
  • A. Electrical wiring
  • B. Structural components
  • C. Piping
  • D. Insulation
Q. What is the maximum number of orbitals in the p subshell? (2019)
  • A. 1
  • B. 3
  • C. 5
  • D. 7
Q. What is the pH of a solution with a hydrogen ion concentration of 1 x 10^-7 M?
  • A. 7
  • B. 0
  • C. 14
  • D. 1
Q. What is the primary characteristic of metals? (2019)
  • A. Brittleness
  • B. Luster
  • C. Dullness
  • D. Insulation
Q. What is the primary characteristic of non-metals?
  • A. Good conductors of heat
  • B. High density
  • C. Brittleness
  • D. Luster
Q. What is the primary characteristic that distinguishes metals from non-metals? (2019)
  • A. Luster
  • B. Brittleness
  • C. Conductivity
  • D. Density
Q. What is the primary characteristic that distinguishes solids from liquids? (2021)
  • A. Solids have a definite shape and volume
  • B. Liquids have a definite shape and volume
  • C. Solids can flow
  • D. Liquids can be compressed easily
Q. What is the primary factor that affects the state of matter?
  • A. Temperature
  • B. Pressure
  • C. Volume
  • D. Density
Q. What is the primary product of the complete combustion of propane (C3H8)? (2020)
  • A. Carbon monoxide
  • B. Water
  • C. Carbon dioxide
  • D. Hydrogen
Q. What is the primary product when an acid reacts with a metal carbonate?
  • A. Salt
  • B. Water
  • C. Carbon dioxide
  • D. All of the above
Q. What is the primary product when sodium bicarbonate reacts with hydrochloric acid?
  • A. Sodium chloride
  • B. Carbon dioxide
  • C. Water
  • D. All of the above
Q. What is the primary reason that gases fill their containers? (2023)
  • A. High density
  • B. Low density
  • C. High kinetic energy
  • D. Low kinetic energy
Q. What is the primary state of matter that has a definite shape and volume?
  • A. Gas
  • B. Liquid
  • C. Solid
  • D. Plasma
Q. What is the primary use of aluminum in construction?
  • A. Electrical wiring
  • B. Structural components
  • C. Piping
  • D. Insulation
Q. What is the product of the reaction between hydrochloric acid (HCl) and sodium hydroxide (NaOH)? (2022)
  • A. Sodium chloride and water
  • B. Sodium chloride and hydrogen
  • C. Hydrogen and oxygen
  • D. Sodium and water
Q. What is the product of the reaction between hydrochloric acid and sodium bicarbonate? (2022)
  • A. Sodium chloride
  • B. Carbon dioxide
  • C. Water
  • D. All of the above
Q. What is the product of the reaction between sodium (Na) and chlorine (Cl2)? (2019)
  • A. NaCl
  • B. NaCl2
  • C. Na2Cl
  • D. Na2Cl2
Q. What is the result of mixing equal volumes of 0.1 M HCl and 0.1 M NaOH?
  • A. pH < 7
  • B. pH = 7
  • C. pH > 7
  • D. Cannot be determined
Q. What is the shape of an s orbital? (2023)
  • A. Spherical
  • B. Dumbbell
  • C. Double dumbbell
  • D. Linear
Q. What is the term for the change of state from liquid to solid?
  • A. Melting
  • B. Freezing
  • C. Condensation
  • D. Sublimation
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