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