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