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