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