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