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