A) 0.5mole B) 5.12mole C) 1.0mole D) 32.0mole
A) 0.6 mole B) 8.4 moles C) 42.00 moles D) 84 moles
A) 1.14 mol/dm³ B) 11.42 mol/dm³ C) 0.88 mol/dm³ D) 8.80 mol/dm³
A) 6.0 B) 1.7 C) 0.27 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) Aluminium tetraoxosulphate (VI) B) Calcium tetraoxosulphate (VI) C) Copper tetraoxosulphate (VI) D) Sodium tetraoxosulphate (VI)
A) Paper B) Wood C) Plastics D) Animal hide
A) Saturated B) Super saturated C) Hydrated D) Unsaturated
A) The use of an ion -exchange resin B) Chlorination C) Aeration D) Passing over treated charcoal
A) Universal solvent B) Concentration C) Dispersion medium D) Colloids
A) Energy of formation B) Energy of reaction C) Activation energy D) Free energy
A) Fourth order reaction B) Second order reaction C) First order reaction D) Zero order reaction
A) Rate of reaction B) Rate determining step C) Reaction mechanism D) Molecularity
A) Energetics B) Enthalpy C) Catalyst D) Activation energy
A) Reaction profile B) Energy barrier C) Activated complex D) Rate curve
A) Avogadro's cell B) Lead acid accumulator C) Leclanche cell D) Cathodic discharger
A) Potential difference B) Electromotive force C) Electrolysis D) Electrode potential
A) Cathode B) Electrolytic cell C) Anode D) Electrode
A) Industrial preparation of NaOH B) Purification of metals C) Extraction of metals D) Diffusion of chemicals
A) 96500 coulombs B) 9650 coulombs C) 9650000 coulombs D) 965000 coulombs
A) 3 B) 6 C) 2 D) 4
A) Natural gas B) Coal C) Petroleum D) Oxygen
A) Alkanes and alkynes B) Alkenes and alkynes C) Alkenes and aromatics D) Alkanes and alkenes
A) Formation of ionic bonds between carbon atoms B) Formation of covalent 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) Air B) Water C) Nitrogen D) Oxygen
A) 25°C and 1 atmosphere pressure B) 25°C and 0.5 atmosphere pressure C) 0°C and 0.5 atmosphere pressure D) 0°C and 1 atmosphere pressure
A) Volume = Mass ÷ Density B) Mass = Volume × Density C) Mass = Density ÷ Volume D) Volume = Density × Mass
A) CnH2n B) CnH2n+2 C) CnH2n-4 D) CnH2n-2
A) Substitution B) Cracking C) Fermentation D) Oxidation
A) Single bonds between carbon atoms B) Double bonds between carbon atoms C) Triple bonds between carbon atoms D) Both single and double bonds between carbon atoms
A) Ethyne B) Methane 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) Methane B) Ethene C) Benzene D) Ethyne
A) Linear chains of carbon atoms B) Double bonds between carbon atoms C) Triple bonds between carbon atoms D) Ring structures and delocalized electrons
A) Butene B) Benzene C) Ethyne D) Propane
A) Silver nitrate B) Sodium hydroxide 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) Saturated hydrocarbon C) Cyclic aromatic hydrocarbon D) Linear alkene
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) High reactivity B) Stability and resistance to addition reactions C) Strong odor D) Low boiling point
A) It is highly reactive with halogens B) It is a strong oxidizing agent C) It readily undergoes combustion D) It is insoluble in most organic solvents
A) Medicines B) Fertilizers C) Plastics D) All of the above
A) CH3-CH2-CH2-CH2-CH3 B) CH3-CH=CH-CH=CH-CH3 C) CH3-CH=CH-CH=CH2 D) CH3-CH2-CH=CH-CH2
A) Delocalized electron cloud B) High boiling point C) Low reactivity D) Unsaturated nature
A) Optical isomerism B) Geometric isomerism C) Ring-chain isomerism D) Structural isomerism
A) Cyclohexane B) Cyclobutane C) Ethane D) Benzene
A) Benzene exhibits geometric isomerism due to its double bonds. B) Benzene is highly reactive and undergoes rapid addition reactions C) Benzene has a linear structure with alternating single and double bonds. D) Benzene undergoes substitution reactions rather than addition reactions.
A) Butene B) Butadiene C) Butyne D) Butane
A) High reactivity B) Aromatic odor C) Planar structure D) Delocalized pi electrons |