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