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