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