A) 5.12mole B) 1.0mole C) 32.0mole D) 0.5mole
A) 0.6 mole B) 42.00 moles C) 8.4 moles D) 84 moles
A) 1.14 mol/dm³ B) 11.42 mol/dm³ C) 0.88 mol/dm³ D) 8.80 mol/dm³
A) 0.27 B) 2.7 C) 6.0 D) 1.7
A) Reduction in the amount of dissolved oxygen B) Increase in the level of sediment C) Presence of heavy metal ions D) Scarcity of food in water
A) Aluminium tetraoxosulphate (VI) B) Copper tetraoxosulphate (VI) C) Sodium tetraoxosulphate (VI) D) Calcium tetraoxosulphate (VI)
A) Animal hide B) Paper C) Wood D) Plastics
A) Unsaturated B) Saturated C) Hydrated D) Super saturated
A) Chlorination B) Aeration C) The use of an ion -exchange resin D) Passing over treated charcoal
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) Second order reaction B) First order reaction C) Fourth order reaction D) Zero order reaction
A) Molecularity B) Reaction mechanism C) Rate determining step D) Rate of reaction
A) Energetics B) Enthalpy C) Catalyst D) Activation energy
A) Reaction profile B) Energy barrier C) Rate curve D) Activated complex
A) Lead acid accumulator B) Leclanche cell C) Avogadro's cell D) Cathodic discharger
A) Electromotive force B) Electrolysis C) Electrode potential D) Potential difference
A) Anode B) Electrode C) Electrolytic cell D) Cathode
A) Extraction of metals B) Diffusion of chemicals C) Industrial preparation of NaOH D) Purification of metals
A) 96500 coulombs B) 965000 coulombs C) 9650000 coulombs D) 9650 coulombs
A) 6 B) 3 C) 4 D) 2
A) Natural gas B) Petroleum C) Coal D) Oxygen
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) Temperature B) Pressure C) Mass D) Volume
A) Nitrogen B) Water C) Oxygen D) Air
A) 0°C and 1 atmosphere pressure B) 25°C and 0.5 atmosphere pressure C) 25°C and 1 atmosphere pressure D) 0°C and 0.5 atmosphere pressure
A) Volume = Density × Mass B) Mass = Volume × Density C) Volume = Mass ÷ Density D) Mass = Density ÷ Volume
A) CnH2n B) CnH2n-2 C) CnH2n+2 D) CnH2n-4
A) Oxidation B) Fermentation C) Cracking D) Substitution
A) Double bonds between carbon atoms B) Single bonds between carbon atoms C) Both single and double bonds between carbon atoms D) Triple bonds between carbon atoms
A) Ethene B) Methane C) Benzene D) Ethyne
A) Both single and double bonds between carbon atoms B) Double bonds between carbon atoms C) Triple bonds between carbon atoms D) Single bonds between carbon atoms
A) Ethene B) Methane C) Benzene D) Ethyne
A) Linear chains of carbon atoms B) Ring structures and delocalized electrons C) Double bonds between carbon atoms D) Triple bonds between carbon atoms
A) Ethyne B) Benzene C) Butene D) Propane
A) Sodium hydroxide B) Bromine water C) Nitric acid D) Silver nitrate
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) Alkane C) Linear alkene D) Saturated hydrocarbon
A) Three carbon atoms in a ring B) Six carbon atoms in a ring C) Five carbon atoms in a ring D) Four carbon atoms in a ring
A) High reactivity B) Stability and resistance to addition reactions C) Strong odor D) Low boiling point
A) It is highly reactive with halogens B) It is insoluble in most organic solvents C) It is a strong oxidizing agent D) It readily undergoes combustion
A) All of the above B) Fertilizers C) Plastics D) Medicines
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) Delocalized electron cloud B) Low reactivity C) Unsaturated nature D) High boiling point
A) Optical isomerism B) Ring-chain isomerism C) Structural isomerism D) Geometric isomerism
A) Benzene B) Cyclobutane C) Cyclohexane D) Ethane
A) Benzene is highly reactive and undergoes rapid 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 undergoes substitution reactions rather than addition reactions.
A) Butane B) Butene C) Butadiene D) Butyne
A) Delocalized pi electrons B) Planar structure C) Aromatic odor D) High reactivity |