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