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