A) 0.5mole B) 5.12mole C) 1.0mole D) 32.0mole
A) 0.88 mol/dm³ B) 11.42 mol/dm³ C) 8.80 mol/dm³ D) 1.14 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) Paper B) Animal hide C) Plastics D) Wood
A) The use of an ion -exchange resin B) Aeration C) Chlorination D) Passing over treated charcoal
A) Energy of formation B) Activation energy C) Free energy D) Energy of reaction
A) Zero order reaction B) Second order reaction C) First order reaction D) Fourth order reaction
A) Catalyst B) Energetics C) Activation energy D) Enthalpy
A) Activated complex B) Energy barrier C) Reaction profile D) Rate curve
A) Lead acid accumulator B) Avogadro's cell C) Cathodic discharger D) Leclanche cell
A) Electromotive force B) Electrolysis C) Potential difference D) Electrode potential
A) Cathode B) Electrode C) Electrolytic cell D) Anode
A) Oxygen B) Natural gas C) Coal D) Petroleum
A) Breaking of ionic bonds between carbon atoms B) Formation of covalent bonds between carbon atoms C) Formation of ionic bonds between carbon atoms D) Breaking of covalent bonds between carbon atoms
A) 25°C and 0.5 atmosphere pressure B) 0°C and 1 atmosphere pressure C) 0°C and 0.5 atmosphere pressure D) 25°C and 1 atmosphere pressure
A) Volume = Mass ÷ Density B) Mass = Volume × Density C) Volume = Density × Mass D) Mass = Density ÷ Volume
A) CnH2n-2 B) CnH2n+2 C) CnH2n-4 D) CnH2n
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) Benzene B) Methane C) Ethene D) Ethyne
A) Double bonds between carbon atoms B) Single bonds between carbon atoms C) Both single and double bonds between carbon atoms D) Triple bonds between carbon atoms
A) Benzene B) Methane C) Ethene D) Ethyne
A) Butene B) Benzene C) Propane D) Ethyne
A) Decolorize bromine water as well B) React violently with bromine water C) Turn bromine water green D) Do not react with bromine water
A) Saturated hydrocarbon B) Linear alkene C) Alkane D) Cyclic aromatic hydrocarbon
A) Six carbon atoms in a ring B) Four carbon atoms in a ring C) Three 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) Delocalized electron cloud C) Unsaturated nature D) High boiling point
A) Ring-chain isomerism B) Structural isomerism C) Geometric isomerism D) Optical isomerism
A) Butyne B) Butene C) Butadiene D) Butane |