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