A) 32.0mole B) 1.0mole C) 5.12mole D) 0.5mole
A) 42.00 moles B) 0.6 mole C) 84 moles D) 8.4 moles
A) 0.88 mol/dm³ B) 1.14 mol/dm³ C) 11.42 mol/dm³ D) 8.80 mol/dm³
A) 0.27 B) 6.0 C) 1.7 D) 2.7
A) Presence of heavy metal ions B) Increase in the level of sediment C) Scarcity of food in water D) Reduction in the amount of dissolved oxygen
A) Sodium tetraoxosulphate (VI) B) Copper tetraoxosulphate (VI) C) Aluminium tetraoxosulphate (VI) D) Calcium tetraoxosulphate (VI)
A) Wood B) Plastics C) Animal hide D) Paper
A) Hydrated B) Saturated C) Unsaturated D) Super saturated
A) Chlorination B) Aeration C) Passing over treated charcoal D) The use of an ion -exchange resin
A) Colloids B) Concentration C) Universal solvent D) Dispersion medium
A) Free energy B) Activation energy C) Energy of formation D) Energy of reaction
A) First order reaction B) Second order reaction C) Fourth order reaction D) Zero order reaction
A) Rate of reaction B) Reaction mechanism C) Rate determining step D) Molecularity
A) Enthalpy B) Energetics C) Catalyst D) Activation energy
A) Energy barrier B) Rate curve C) Activated complex D) Reaction profile
A) Lead acid accumulator B) Leclanche cell C) Cathodic discharger D) Avogadro's cell
A) Potential difference B) Electromotive force C) Electrode potential D) Electrolysis
A) Electrode B) Electrolytic cell C) Anode D) Cathode
A) Extraction of metals B) Diffusion of chemicals C) Industrial preparation of NaOH D) Purification of metals
A) 96500 coulombs B) 9650 coulombs C) 9650000 coulombs D) 965000 coulombs
A) 4 B) 3 C) 2 D) 6
A) Petroleum B) Oxygen C) Coal D) Natural gas
A) Alkenes and alkynes B) Alkanes and alkynes C) Alkenes and aromatics D) Alkanes and alkenes
A) Breaking of covalent bonds between carbon atoms B) Formation of covalent bonds between carbon atoms C) Formation of ionic bonds between carbon atoms D) Breaking of ionic bonds between carbon atoms
A) Mass B) Temperature C) Pressure D) Volume
A) Oxygen B) Nitrogen C) Water D) Air
A) 25°C and 0.5 atmosphere pressure B) 25°C and 1 atmosphere pressure C) 0°C and 1 atmosphere pressure D) 0°C and 0.5 atmosphere pressure
A) Volume = Density × Mass B) Volume = Mass ÷ Density C) Mass = Volume × Density D) Mass = Density ÷ Volume
A) CnH2n-2 B) CnH2n-4 C) CnH2n D) CnH2n+2
A) Cracking B) Fermentation C) Substitution D) Oxidation
A) Single bonds between carbon atoms B) Triple bonds between carbon atoms C) Double bonds between carbon atoms D) Both single and 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) Triple bonds between carbon atoms D) Both single and double bonds between carbon atoms
A) Ethene B) Methane C) Benzene D) Ethyne
A) Ring structures and delocalized electrons B) Linear chains of carbon atoms C) Double bonds between carbon atoms D) Triple bonds between carbon atoms
A) Benzene B) Butene C) Ethyne D) Propane
A) Sodium hydroxide B) Silver nitrate C) Bromine water D) Nitric acid
A) Turn bromine water green B) Decolorize bromine water as well C) React violently with bromine water D) Do not react with bromine water
A) Alkane B) Linear alkene C) Cyclic aromatic hydrocarbon D) Saturated 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) Low boiling point B) High reactivity C) Strong odor D) Stability and resistance to addition reactions
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) Plastics B) Fertilizers C) Medicines D) All of the above
A) CH3-CH=CH-CH=CH-CH3 B) CH3-CH2-CH2-CH2-CH3 C) CH3-CH=CH-CH=CH2 D) CH3-CH2-CH=CH-CH2
A) Delocalized electron cloud B) High boiling point C) Unsaturated nature D) Low reactivity
A) Optical isomerism B) Structural isomerism C) Ring-chain isomerism D) Geometric isomerism
A) Cyclohexane B) Cyclobutane C) Benzene D) Ethane
A) Benzene is highly reactive and undergoes rapid addition reactions B) Benzene undergoes substitution reactions rather than addition reactions. C) Benzene has a linear structure with alternating single and double bonds. D) Benzene exhibits geometric isomerism due to its double bonds.
A) Butane B) Butyne C) Butene D) Butadiene
A) High reactivity B) Delocalized pi electrons C) Planar structure D) Aromatic odor |