A) 32.0mole B) 5.12mole C) 0.5mole D) 1.0mole
A) 11.42 mol/dm³ B) 8.80 mol/dm³ C) 1.14 mol/dm³ D) 0.88 mol/dm³
A) Presence of heavy metal ions B) Reduction in the amount of dissolved oxygen C) Scarcity of food in water D) Increase in the level of sediment
A) Plastics B) Animal hide C) Wood D) Paper
A) Passing over treated charcoal B) Chlorination C) The use of an ion -exchange resin D) Aeration
A) Activation energy B) Free energy C) Energy of reaction D) Energy of formation
A) Zero order reaction B) First order reaction C) Fourth order reaction D) Second order reaction
A) Energetics B) Enthalpy C) Catalyst D) Activation energy
A) Rate curve B) Activated complex C) Reaction profile D) Energy barrier
A) Cathodic discharger B) Leclanche cell C) Lead acid accumulator D) Avogadro's cell
A) Electromotive force B) Potential difference C) Electrolysis D) Electrode potential
A) Cathode B) Anode C) Electrode D) Electrolytic cell
A) Oxygen B) Coal C) Petroleum D) Natural gas
A) Formation of ionic bonds between carbon atoms B) Breaking of ionic bonds between carbon atoms C) Breaking of covalent bonds between carbon atoms D) Formation of covalent bonds between carbon atoms
A) 0°C and 1 atmosphere pressure B) 0°C and 0.5 atmosphere pressure C) 25°C and 1 atmosphere pressure D) 25°C and 0.5 atmosphere pressure
A) Mass = Volume × Density B) Volume = Density × Mass C) Volume = Mass ÷ Density D) Mass = Density ÷ Volume
A) CnH2n-4 B) CnH2n+2 C) CnH2n D) CnH2n-2
A) Both single and double bonds between carbon atoms B) Single bonds between carbon atoms C) Double bonds between carbon atoms D) Triple bonds between carbon atoms
A) Ethyne B) Benzene C) Ethene D) Methane
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) Benzene C) Ethene D) Methane
A) Propane B) Benzene C) Butene D) Ethyne
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) Linear alkene B) Saturated hydrocarbon C) Cyclic aromatic hydrocarbon D) Alkane
A) Five carbon atoms in a ring B) Six carbon atoms in a ring C) Three carbon atoms in a ring D) Four 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) Unsaturated nature B) High boiling point C) Low reactivity D) Delocalized electron cloud
A) Structural isomerism B) Optical isomerism C) Ring-chain isomerism D) Geometric isomerism
A) Butene B) Butane C) Butyne D) Butadiene |