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