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