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