A) 1.0mole B) 32.0mole C) 5.12mole D) 0.5mole
A) 1.14 mol/dm³ B) 11.42 mol/dm³ C) 8.80 mol/dm³ D) 0.88 mol/dm³
A) Scarcity of food in water B) Increase in the level of sediment C) Presence of heavy metal ions D) Reduction in the amount of dissolved oxygen
A) Animal hide B) Plastics C) Wood D) Paper
A) The use of an ion -exchange resin B) Aeration C) Passing over treated charcoal D) Chlorination
A) Free energy B) Energy of formation C) Activation energy D) Energy of reaction
A) Zero order reaction B) First order reaction C) Fourth order reaction D) Second order reaction
A) Activation energy B) Catalyst C) Energetics D) Enthalpy
A) Rate curve B) Energy barrier C) Activated complex D) Reaction profile
A) Leclanche cell B) Lead acid accumulator C) Avogadro's cell D) Cathodic discharger
A) Electrode potential B) Electromotive force C) Electrolysis D) Potential difference
A) Electrode B) Anode C) Cathode D) Electrolytic cell
A) Oxygen B) Natural gas C) Coal D) Petroleum
A) Formation of ionic bonds between carbon atoms B) Formation of covalent bonds between carbon atoms C) Breaking of ionic bonds between carbon atoms D) Breaking of covalent bonds between carbon atoms
A) 0°C and 0.5 atmosphere pressure B) 0°C and 1 atmosphere pressure C) 25°C and 1 atmosphere pressure D) 25°C and 0.5 atmosphere pressure
A) Mass = Density ÷ Volume B) Volume = Mass ÷ Density C) Volume = Density × Mass D) Mass = Volume × Density
A) CnH2n-4 B) CnH2n C) CnH2n+2 D) CnH2n-2
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) Ethene B) Ethyne C) Benzene 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) Ethene B) Methane C) Benzene D) Ethyne
A) Propane B) Ethyne C) Butene D) Benzene
A) React violently with bromine water B) Turn bromine water green C) Do not react with bromine water D) Decolorize bromine water as well
A) Alkane B) Saturated hydrocarbon C) Linear alkene D) Cyclic aromatic hydrocarbon
A) Five carbon atoms in a ring B) Four carbon atoms in a ring C) Three carbon atoms in a ring D) Six carbon atoms in a ring
A) It is highly reactive with halogens B) It is insoluble in most organic solvents C) It readily undergoes combustion D) It is a strong oxidizing agent
A) Unsaturated nature B) High boiling point C) Delocalized electron cloud D) Low reactivity
A) Structural isomerism B) Ring-chain isomerism C) Optical isomerism D) Geometric isomerism
A) Butane B) Butene C) Butyne D) Butadiene |