A) 0.5mole B) 5.12mole C) 1.0mole D) 32.0mole
A) 11.42 mol/dm³ B) 8.80 mol/dm³ C) 1.14 mol/dm³ D) 0.88 mol/dm³
A) Presence of heavy metal ions B) Reduction in the amount of dissolved oxygen C) Scarcity of food in water D) Increase in the level of sediment
A) Plastics B) Animal hide C) Paper D) Wood
A) Chlorination B) The use of an ion -exchange resin C) Aeration D) Passing over treated charcoal
A) Free energy B) Activation energy C) Energy of reaction D) Energy of formation
A) Second order reaction B) Zero order reaction C) First order reaction D) Fourth order reaction
A) Activation energy B) Catalyst C) Energetics D) Enthalpy
A) Energy barrier B) Rate curve C) Reaction profile D) Activated complex
A) Cathodic discharger B) Leclanche cell C) Avogadro's cell D) Lead acid accumulator
A) Electrode potential B) Potential difference C) Electromotive force D) Electrolysis
A) Electrolytic cell B) Cathode C) Anode D) Electrode
A) Petroleum B) Oxygen C) Coal D) Natural gas
A) Formation of covalent bonds between carbon atoms B) Formation of ionic bonds between carbon atoms C) Breaking of ionic bonds between carbon atoms D) Breaking of covalent bonds between carbon atoms
A) 25°C and 0.5 atmosphere pressure B) 0°C and 1 atmosphere pressure C) 0°C and 0.5 atmosphere pressure D) 25°C and 1 atmosphere pressure
A) Mass = Density ÷ Volume B) Volume = Density × Mass C) Mass = Volume × Density D) Volume = Mass ÷ Density
A) CnH2n B) CnH2n-2 C) CnH2n+2 D) CnH2n-4
A) Triple bonds between carbon atoms B) Double bonds between carbon atoms C) Single bonds between carbon atoms D) Both single and double bonds between carbon atoms
A) Methane B) Ethyne C) Benzene D) Ethene
A) Triple bonds between carbon atoms B) Both single and double bonds between carbon atoms C) Single bonds between carbon atoms D) Double bonds between carbon atoms
A) Benzene B) Methane C) Ethene D) Ethyne
A) Benzene B) Propane C) Butene D) Ethyne
A) Turn bromine water green B) Decolorize bromine water as well C) React violently with bromine water D) Do not react with bromine water
A) Alkane B) Saturated hydrocarbon C) Cyclic aromatic hydrocarbon D) Linear alkene
A) Three carbon atoms in a ring B) Five carbon atoms in a ring C) Six carbon atoms in a ring D) Four carbon atoms in a ring
A) It is a strong oxidizing agent B) It is insoluble in most organic solvents C) It is highly reactive with halogens D) It readily undergoes combustion
A) High boiling point B) Low reactivity C) Delocalized electron cloud D) Unsaturated nature
A) Ring-chain isomerism B) Optical isomerism C) Structural isomerism D) Geometric isomerism
A) Butadiene B) Butane C) Butyne D) Butene |