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