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