AIC SS1 Chemistry Revision Test 2nd Term
A) Nitrogen and oxygen B) Sulphur and oxygen C) Oxygen and hydrogen D) Carbon and oxygen
A) CH4 B) CH2 C) C2H4 D) CH3
A) CH3O B) CH4O C) CHO D) CH2O
A) X2Y B) X2Y3 C) X3Y2 D) XY2 
A) 6 and 2 B) 8 and 2 C) 2 and 3 D) 1 and 3
A) Atomic mass B) No of moles C) Oxidation numbers D) Molar mass
A) -5 B) +7 C) +8 D) -7
A) Crystallisation B) Melting C) Sublimation D) Evaporation
A) 20 B) 10 C) 32 D) 22
A) 21.33% B) 14.71% C) 28.07% D) 42.66%
A) 328 B) 346 C) 160 D) 164
A) Potassium B) Chlorine C) Sulphur D) Argon
A) Protons between two atoms B) Electrons between two atoms C) Electrons from one atom to another D) Neutrons between two atoms
A) NH3 B) CO2 C) H2O 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) Sodium chloride B) Carbon dioxide C) Water D) Iron
A) Electronegativity difference between atoms B) Atomic radius of atoms C) Electron affinity of atoms D) All of the above
A) Carbon B) Helium C) Oxygen D) Nitrogen
A) Methane (CH4) B) Carbon dioxide (CO2) C) Ethanol (C2H5OH) D) Ammonia (NH3)
A) Strong electrostatic attractions between ions B) Strong covalent bonds between atoms C) Weak intramolecular forces within molecules D) Weak intermolecular forces between molecules
A) Ethanol (C2H5OH) B) Methane (CH4) C) Hydrogen peroxide (H2O2) D) Sodium chloride (NaCl)
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 arrangement of particles within a gas B) The motion of particles within a gas C) The density 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 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) Rusting of iron B) Melting of ice C) Digestion of food D) Burning of wood
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) 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) 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) PV = nRT B) P = V/nRT C) PV = nT D) PV = RT
A) Temperature B) Volume C) Pressure D) Square root of its molar mass
A) Atomic mass B) Volume C) Density D) Number of moles
A) Electrons in one atom of a substance B) Moles in one liter of a gas C) Particles in one gram of a substance D) Atoms in one mole of a substance
A) NH3 B) HCN C) CO2 D) H2O
A) Large difference in electronegativity B) Similar electron affinity values C) High similarity in electronegativity D) Both elements are non-metals
A) Chlorine B) Helium C) Sodium D) Oxygen
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) Dipole-dipole interactions C) Covalent bonding D) Hydrogen bonding
A) They attract each other strongly B) They occupy a significant volume. C) They have specific shapes. D) They are constantly in motion.
A) solids are rigid and have definite shapes B) liquids flow easily and have indefinite shapes. C) all three statements are true. D) gases expand to fill their container.
A) inversely proportional to its temperature B) directly proportional to its temperature C) dependent on the container size. D) constant
A) V B) K C) P D) R
A) wood decreases, while the mass of the products remains constant. 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 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) elements are used directly. D) are not needed, only the coefficients are important.
A) memorize the names of all elements and compounds. B) perform complex mathematical calculations. C) balance the chemical equation first. D) know the physical properties of all the reactants and products.
A) Water (H₂O) always contains hydrogen and oxygen in a 2:1 ratio by mass. 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) Carbon dioxide (CO₂) has a constant ratio of carbon to oxygen, regardless of its origin.
A) 1:3/2 B) Cannot be determined without additional information. 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) all chemical reactions. C) compounds that can react with each other. D) only elements, not compounds.
A) the order in which the reactants combine. B) the states of matter of the reactants and products. 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) 10 moles C) Cannot be determined without additional information. D) 2.5 moles |
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