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