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