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