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