AIC SS1 Chemistry Revision Test 2nd Term
A) Nitrogen and oxygen B) Carbon and oxygen C) Sulphur and oxygen D) Oxygen and hydrogen
A) CH2 B) CH3 C) CH4 D) C2H4
A) CH3O B) CH4O C) CH2O D) CHO
A) X3Y2 B) XY2 C) X2Y D) X2Y3 
A) 2 and 3 B) 8 and 2 C) 1 and 3 D) 6 and 2
A) Atomic mass B) Oxidation numbers C) No of moles D) Molar mass
A) +8 B) -7 C) +7 D) -5
A) Melting B) Sublimation C) Crystallisation D) Evaporation
A) 20 B) 10 C) 32 D) 22
A) 28.07% B) 21.33% C) 14.71% D) 42.66%
A) 328 B) 346 C) 160 D) 164
A) Argon B) Sulphur C) Potassium D) Chlorine
A) Protons between two atoms B) Neutrons between two atoms C) Electrons between two atoms D) Electrons from one atom to another
A) CO2 B) H2O C) NH3 D) NaCl
A) Transfer of electrons between atoms B) Formation of covalent bonds between atoms C) Presence of positive ions in a sea of delocalized electrons D) Sharing of electrons between atoms
A) Water B) Sodium chloride C) Iron D) Carbon dioxide
A) Electron affinity of atoms B) Atomic radius of atoms C) Electronegativity difference between atoms D) All of the above
A) Carbon B) Oxygen C) Nitrogen D) Helium
A) Ammonia (NH3) B) Methane (CH4) C) Carbon dioxide (CO2) D) Ethanol (C2H5OH)
A) Strong covalent bonds between atoms B) Weak intermolecular forces between molecules C) Strong electrostatic attractions between ions D) Weak intramolecular forces within molecules
A) Methane (CH4) B) Sodium chloride (NaCl) C) Ethanol (C2H5OH) D) Hydrogen peroxide (H2O2)
A) Are closely packed together B) Have fixed positions in a lattice structure C) Have negligible volume compared to the space they occupy D) Have strong intermolecular forces of attraction
A) The motion of particles within a gas B) The chemical reactions occurring within a gas C) The density of particles within a gas D) The arrangement of particles within a gas
A) Have particles that are closely packed together and vibrate in fixed positions B) Have particles that are highly compressed and free to move C) Have particles that are highly compressed and far apart D) Have particles that are far apart and moving randomly
A) Digestion of food B) Rusting of iron C) Melting of ice D) Burning of wood
A) Temperature and volume of a gas B) Pressure and temperature of a gas C) Volume and number of moles of a gas D) Pressure and volume of a gas
A) Pressure and volume of a gas B) Pressure and temperature of a gas C) Temperature and volume of a gas D) Volume and number of moles of a gas
A) Charles's law and Avogadro's law B) Boyle's law and Avogadro's law C) Boyle's law and Charles's law D) Boyle's law, Charles's law, and Avogadro's law
A) P = V/nRT B) PV = RT C) PV = nT D) PV = nRT
A) Volume B) Square root of its molar mass C) Temperature D) Pressure
A) Number of moles B) Volume C) Atomic mass D) Density
A) Atoms in one mole of a substance B) Electrons in one atom of a substance C) Moles in one liter of a gas D) Particles in one gram of a substance
A) NH3 B) H2O C) HCN D) CO2
A) Large difference in electronegativity B) Both elements are non-metals C) Similar electron affinity values D) High similarity in electronegativity
A) Chlorine B) Sodium C) Oxygen D) Helium
A) They involve sharing electrons. B) They can be polar or non-polar C) They form between atoms with similar electronegativity. D) They are responsible for the high melting and boiling points of many molecules.
A) Hydrogen bonding B) Covalent bonding C) London dispersion forces D) Dipole-dipole interactions
A) They attract each other strongly B) They occupy a significant volume. C) They have specific shapes. D) They are constantly in motion.
A) gases expand to fill their container. B) liquids flow easily and have indefinite shapes. C) all three statements are true. D) solids are rigid and have definite shapes
A) dependent on the container size. B) constant C) inversely proportional to its temperature D) directly proportional to its temperature
A) V B) K C) P D) R
A) wood and oxygen is less than the mass of the products. B) wood and oxygen is greater than the mass of the products. C) wood decreases, while the mass of the products remains constant. D) wood and oxygen is equal to the mass of the carbon dioxide and water vapor.
A) reactants and products are used to convert between grams and moles. B) compounds are ignored. C) are not needed, only the coefficients are important. D) elements are used directly.
A) perform complex mathematical calculations. B) know the physical properties of all the reactants and products. C) balance the chemical equation first. D) memorize the names of all elements and compounds.
A) All samples of table salt (NaCl) have the same ratio of sodium to chlorine. B) The color of a compound can vary depending on its source. C) Carbon dioxide (CO₂) has a constant ratio of carbon to oxygen, regardless of its origin. D) Water (H₂O) always contains hydrogen and oxygen in a 2:1 ratio by mass.
A) 2:3 B) Cannot be determined without additional information. C) 1:2 D) 1:3/2
A) Water can decompose into hydrogen and oxygen under specific conditions. B) 2 grams of hydrogen react with 1 gram of oxygen to produce water. C) Hydrogen and oxygen react explosively to form water. D) Two molecules of hydrogen react with one molecule of oxygen to form two molecules of water.
A) only elements, not compounds. B) elements that can form more than one compound with another element. C) compounds that can react with each other. D) all chemical reactions.
A) the states of matter of the reactants and products. B) the order in which the reactants combine. C) the relative amounts of each molecule or atom involved in the reaction. D) the names of the reactants and products
A) 5 moles B) 2.5 moles C) 10 moles D) Cannot be determined without additional information. |
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