A) 1.0mole B) 5.12mole C) 0.5mole D) 32.0mole
A) 0.6 mole B) 84 moles C) 42.00 moles D) 8.4 moles
A) 1.14 mol/dm³ B) 11.42 mol/dm³ C) 8.80 mol/dm³ D) 0.88 mol/dm³
A) 2.7 B) 1.7 C) 0.27 D) 6.0
A) Increase in the level of sediment B) Scarcity of food in water C) Presence of heavy metal ions D) Reduction in the amount of dissolved oxygen
A) Aluminium tetraoxosulphate (VI) B) Calcium tetraoxosulphate (VI) C) Sodium tetraoxosulphate (VI) D) Copper tetraoxosulphate (VI)
A) Paper B) Wood C) Plastics D) Animal hide
A) Super saturated B) Unsaturated C) Hydrated D) Saturated
A) Passing over treated charcoal B) Aeration C) The use of an ion -exchange resin D) Chlorination
A) Universal solvent B) Concentration C) Colloids D) Dispersion medium
A) Energy of formation B) Energy of reaction C) Free energy D) Activation energy
A) Zero order reaction B) First order reaction C) Fourth order reaction D) Second order reaction
A) Molecularity B) Rate of reaction C) Rate determining step D) Reaction mechanism
A) Energetics B) Enthalpy C) Activation energy D) Catalyst
A) Activated complex B) Reaction profile C) Rate curve D) Energy barrier
A) Leclanche cell B) Avogadro's cell C) Lead acid accumulator D) Cathodic discharger
A) Potential difference B) Electrolysis C) Electrode potential D) Electromotive force
A) Electrolytic cell B) Electrode C) Cathode D) Anode
A) Purification of metals B) Industrial preparation of NaOH C) Diffusion of chemicals D) Extraction of metals
A) 9650000 coulombs B) 965000 coulombs C) 9650 coulombs D) 96500 coulombs
A) 6 B) 2 C) 4 D) 3
A) Coal B) Petroleum C) Natural gas D) Oxygen
A) Alkanes and alkenes B) Alkanes and alkynes C) Alkenes and alkynes D) Alkenes and aromatics
A) Formation of covalent bonds between carbon atoms B) Breaking of ionic bonds between carbon atoms C) Breaking of covalent bonds between carbon atoms D) Formation of ionic bonds between carbon atoms
A) Mass B) Pressure C) Temperature D) Volume
A) Air B) Water C) Oxygen D) Nitrogen
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 = Volume × Density B) Volume = Density × Mass C) Mass = Density ÷ Volume D) Volume = Mass ÷ Density
A) CnH2n B) CnH2n-4 C) CnH2n-2 D) CnH2n+2
A) Fermentation B) Substitution C) Cracking D) Oxidation
A) Both single and double bonds between carbon atoms B) Triple bonds between carbon atoms C) Double bonds between carbon atoms D) Single bonds between carbon atoms
A) Methane B) Ethyne C) Ethene D) Benzene
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) Ethyne B) Ethene C) Methane D) Benzene
A) Linear chains of carbon atoms B) Triple bonds between carbon atoms C) Double bonds between carbon atoms D) Ring structures and delocalized electrons
A) Butene B) Propane C) Ethyne D) Benzene
A) Bromine water B) Nitric acid C) Sodium hydroxide D) Silver nitrate
A) Do not react with bromine water B) Decolorize bromine water as well C) React violently with bromine water D) Turn bromine water green
A) Alkane B) Linear alkene C) Cyclic aromatic hydrocarbon D) Saturated hydrocarbon
A) Four carbon atoms in a ring B) Five carbon atoms in a ring C) Six carbon atoms in a ring D) Three carbon atoms in a ring
A) Low boiling point B) Stability and resistance to addition reactions C) High reactivity D) Strong odor
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) Medicines B) Plastics C) Fertilizers D) All of the above
A) CH3-CH=CH-CH=CH2 B) CH3-CH2-CH=CH-CH2 C) CH3-CH=CH-CH=CH-CH3 D) CH3-CH2-CH2-CH2-CH3
A) Low reactivity B) High boiling point C) Unsaturated nature D) Delocalized electron cloud
A) Optical isomerism B) Structural isomerism C) Ring-chain isomerism D) Geometric isomerism
A) Benzene B) Cyclohexane C) Ethane D) Cyclobutane
A) Benzene is highly reactive and undergoes rapid addition reactions B) Benzene undergoes substitution reactions rather than addition reactions. C) Benzene exhibits geometric isomerism due to its double bonds. D) Benzene has a linear structure with alternating single and double bonds.
A) Butadiene B) Butane C) Butene D) Butyne
A) Planar structure B) Delocalized pi electrons C) High reactivity D) Aromatic odor |