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