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