A) 0.5mole B) 5.12mole C) 1.0mole D) 32.0mole
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) Increase in the level of sediment D) Scarcity of food in water
A) Wood B) Plastics C) Animal hide D) Paper
A) Aeration B) Chlorination C) Passing over treated charcoal D) The use of an ion -exchange resin
A) Free energy B) Activation energy C) Energy of reaction D) Energy of formation
A) Zero order reaction B) Fourth order reaction C) First order reaction D) Second order reaction
A) Enthalpy B) Energetics C) Activation energy D) Catalyst
A) Activated complex B) Reaction profile C) Energy barrier D) Rate curve
A) Lead acid accumulator B) Leclanche cell C) Avogadro's cell D) Cathodic discharger
A) Electromotive force B) Electrolysis C) Potential difference D) Electrode potential
A) Cathode B) Electrolytic cell C) Electrode D) Anode
A) Petroleum B) Natural gas C) Coal D) Oxygen
A) Breaking of ionic bonds between carbon atoms B) Formation 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) 25°C and 1 atmosphere pressure C) 25°C and 0.5 atmosphere pressure D) 0°C and 0.5 atmosphere pressure
A) Mass = Volume × Density B) Volume = Density × Mass C) Mass = Density ÷ Volume D) Volume = Mass ÷ Density
A) CnH2n-2 B) CnH2n-4 C) CnH2n+2 D) CnH2n
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) Benzene B) Ethyne C) Methane D) Ethene
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) Benzene B) Methane C) Ethyne D) Ethene
A) Benzene B) Ethyne C) Propane D) Butene
A) Turn bromine water green B) React violently with bromine water C) Do not react with bromine water D) Decolorize bromine water as well
A) Saturated hydrocarbon B) Alkane C) Linear alkene D) Cyclic aromatic hydrocarbon
A) Four carbon atoms in a ring B) Six carbon atoms in a ring C) Five carbon atoms in a ring D) Three 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) Unsaturated nature B) Low reactivity C) High boiling point D) Delocalized electron cloud
A) Optical isomerism B) Ring-chain isomerism C) Structural isomerism D) Geometric isomerism
A) Butane B) Butyne C) Butene D) Butadiene |