A) 1.0mole B) 5.12mole C) 32.0mole D) 0.5mole
A) 1.14 mol/dm³ B) 11.42 mol/dm³ C) 0.88 mol/dm³ D) 8.80 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) Animal hide B) Paper C) Plastics D) Wood
A) Passing over treated charcoal B) Aeration C) The use of an ion -exchange resin D) Chlorination
A) Energy of formation B) Free energy C) Energy of reaction D) Activation energy
A) Second order reaction B) First order reaction C) Zero order reaction D) Fourth order reaction
A) Enthalpy B) Activation energy C) Energetics D) Catalyst
A) Activated complex B) Rate curve C) Reaction profile D) Energy barrier
A) Cathodic discharger B) Lead acid accumulator C) Leclanche cell D) Avogadro's cell
A) Electrode potential B) Potential difference C) Electromotive force D) Electrolysis
A) Electrolytic cell B) Anode C) Cathode D) Electrode
A) Petroleum B) Coal C) Natural gas D) Oxygen
A) Breaking of covalent bonds between carbon atoms B) Breaking of ionic bonds between carbon atoms C) Formation of ionic bonds between carbon atoms D) Formation of covalent bonds between carbon atoms
A) 25°C and 1 atmosphere pressure B) 0°C and 0.5 atmosphere pressure C) 25°C and 0.5 atmosphere pressure D) 0°C and 1 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) Triple bonds between carbon atoms B) Single bonds between carbon atoms C) Both single and double bonds between carbon atoms D) Double bonds between carbon atoms
A) Methane B) Ethyne C) Benzene D) Ethene
A) Both single and double bonds between carbon atoms B) Double bonds between carbon atoms C) Triple bonds between carbon atoms D) Single bonds between carbon atoms
A) Ethene B) Ethyne C) Methane D) Benzene
A) Butene B) Benzene C) Propane D) Ethyne
A) Turn bromine water green B) React violently with bromine water C) Decolorize bromine water as well D) Do not react with bromine water
A) Cyclic aromatic hydrocarbon B) Linear alkene C) Alkane D) Saturated hydrocarbon
A) Six carbon atoms in a ring B) Four carbon atoms in a ring C) Five carbon atoms in a ring D) Three carbon atoms in a ring
A) It is a strong oxidizing agent B) It is highly reactive with halogens C) It is insoluble in most organic solvents D) It readily undergoes combustion
A) High boiling point B) Unsaturated nature C) Delocalized electron cloud D) Low reactivity
A) Structural isomerism B) Geometric isomerism C) Ring-chain isomerism D) Optical isomerism
A) Butadiene B) Butane C) Butyne D) Butene |