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