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