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