A) 5.12mole B) 0.5mole C) 32.0mole D) 1.0mole
A) 8.4 moles B) 84 moles C) 0.6 mole D) 42.00 moles
A) 1.14 mol/dm³ B) 11.42 mol/dm³ C) 0.88 mol/dm³ D) 8.80 mol/dm³
A) 1.7 B) 0.27 C) 6.0 D) 2.7
A) Increase in the level of sediment B) Reduction in the amount of dissolved oxygen C) Scarcity of food in water D) Presence of heavy metal ions
A) Calcium tetraoxosulphate (VI) B) Sodium tetraoxosulphate (VI) C) Aluminium tetraoxosulphate (VI) D) Copper tetraoxosulphate (VI)
A) Plastics B) Wood C) Paper D) Animal hide
A) Saturated B) Hydrated C) Super saturated D) Unsaturated
A) The use of an ion -exchange resin B) Passing over treated charcoal C) Chlorination D) Aeration
A) Universal solvent B) Concentration C) Colloids D) Dispersion medium
A) Energy of formation B) Activation energy C) Free energy D) Energy of reaction
A) First order reaction B) Second order reaction C) Fourth order reaction D) Zero order reaction
A) Rate determining step B) Rate of reaction C) Molecularity D) Reaction mechanism
A) Catalyst B) Activation energy C) Enthalpy D) Energetics
A) Reaction profile B) Activated complex C) Energy barrier D) Rate curve
A) Avogadro's cell B) Leclanche cell C) Lead acid accumulator D) Cathodic discharger
A) Electromotive force B) Electrode potential C) Electrolysis D) Potential difference
A) Anode B) Electrode C) Cathode D) Electrolytic cell
A) Industrial preparation of NaOH B) Extraction of metals C) Diffusion of chemicals D) Purification of metals
A) 965000 coulombs B) 9650000 coulombs C) 9650 coulombs D) 96500 coulombs
A) 4 B) 2 C) 3 D) 6
A) Petroleum B) Oxygen C) Coal D) Natural gas
A) Alkanes and alkenes B) Alkanes and alkynes C) Alkenes and alkynes D) Alkenes and aromatics
A) Breaking of ionic bonds between carbon atoms B) Formation of covalent bonds between carbon atoms C) Breaking of covalent bonds between carbon atoms D) Formation of ionic bonds between carbon atoms
A) Pressure B) Mass C) Volume D) Temperature
A) Nitrogen B) Oxygen C) Water D) Air
A) 0°C and 1 atmosphere pressure B) 25°C and 1 atmosphere pressure C) 0°C and 0.5 atmosphere pressure D) 25°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) Cracking B) Substitution C) Fermentation D) Oxidation
A) Both single and double bonds between carbon atoms B) Single bonds between carbon atoms C) Triple 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) Single bonds between carbon atoms D) Triple bonds between carbon atoms
A) Benzene B) Methane C) Ethyne D) Ethene
A) Triple bonds between carbon atoms B) Ring structures and delocalized electrons C) Double bonds between carbon atoms D) Linear chains of carbon atoms
A) Benzene B) Propane C) Ethyne D) Butene
A) Silver nitrate B) Sodium hydroxide C) Nitric acid D) Bromine water
A) Decolorize bromine water as well B) Do not react with bromine water C) Turn bromine water green D) React violently with bromine water
A) Alkane B) Linear alkene C) Saturated hydrocarbon D) Cyclic aromatic hydrocarbon
A) Six carbon atoms in a ring B) Three carbon atoms in a ring C) Four carbon atoms in a ring D) Five carbon atoms in a ring
A) Strong odor B) High reactivity C) Stability and resistance to addition reactions D) Low boiling point
A) It is a strong oxidizing agent B) It is highly reactive with halogens C) It readily undergoes combustion D) It is insoluble in most organic solvents
A) Medicines B) Plastics C) Fertilizers D) All of the above
A) CH3-CH2-CH2-CH2-CH3 B) CH3-CH=CH-CH=CH2 C) CH3-CH=CH-CH=CH-CH3 D) CH3-CH2-CH=CH-CH2
A) Delocalized electron cloud B) Unsaturated nature C) High boiling point D) Low reactivity
A) Optical isomerism B) Structural isomerism C) Ring-chain isomerism D) Geometric isomerism
A) Cyclohexane B) Cyclobutane C) Ethane D) Benzene
A) Benzene is highly reactive and undergoes rapid addition reactions B) Benzene exhibits geometric isomerism due to its double bonds. C) Benzene undergoes substitution reactions rather than addition reactions. D) Benzene has a linear structure with alternating single and double bonds.
A) Butadiene B) Butene C) Butyne D) Butane
A) High reactivity B) Aromatic odor C) Delocalized pi electrons D) Planar structure |