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