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