A) 5.12mole B) 32.0mole C) 0.5mole D) 1.0mole
A) 42.00 moles B) 8.4 moles C) 84 moles D) 0.6 mole
A) 11.42 mol/dm³ B) 0.88 mol/dm³ C) 8.80 mol/dm³ D) 1.14 mol/dm³
A) 2.7 B) 0.27 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) Calcium tetraoxosulphate (VI) C) Sodium tetraoxosulphate (VI) D) Copper tetraoxosulphate (VI)
A) Plastics B) Paper C) Animal hide D) Wood
A) Unsaturated B) Super saturated C) Saturated D) Hydrated
A) Aeration B) The use of an ion -exchange resin C) Chlorination D) Passing over treated charcoal
A) Colloids B) Universal solvent C) Concentration D) Dispersion medium
A) Free energy B) Activation energy C) Energy of reaction D) Energy of formation
A) Second order reaction B) Fourth order reaction C) Zero order reaction D) First order reaction
A) Reaction mechanism B) Rate determining step C) Rate of reaction D) Molecularity
A) Catalyst B) Activation energy C) Enthalpy D) Energetics
A) Energy barrier B) Reaction profile C) Rate curve D) Activated complex
A) Cathodic discharger B) Lead acid accumulator C) Avogadro's cell D) Leclanche cell
A) Electrolysis B) Electromotive force C) Potential difference D) Electrode potential
A) Cathode B) Electrode C) Electrolytic cell D) Anode
A) Purification of metals B) Diffusion of chemicals C) Extraction of metals D) Industrial preparation of NaOH
A) 965000 coulombs B) 96500 coulombs C) 9650 coulombs D) 9650000 coulombs
A) 2 B) 6 C) 3 D) 4
A) Petroleum B) Natural gas C) Oxygen D) Coal
A) Alkenes and aromatics B) Alkanes and alkenes C) Alkenes and alkynes 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) Mass B) Temperature C) Pressure D) Volume
A) Nitrogen B) Water C) Oxygen D) Air
A) 0°C and 0.5 atmosphere pressure B) 0°C and 1 atmosphere pressure C) 25°C and 0.5 atmosphere pressure D) 25°C and 1 atmosphere pressure
A) Volume = Density × Mass B) Mass = Density ÷ Volume C) Volume = Mass ÷ Density D) Mass = Volume × Density
A) CnH2n+2 B) CnH2n-2 C) CnH2n D) CnH2n-4
A) Fermentation B) Cracking C) Oxidation 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) Triple bonds between carbon atoms B) Both single and double bonds between carbon atoms C) Single bonds between carbon atoms D) Double bonds between carbon atoms
A) Methane B) Ethyne C) Ethene D) Benzene
A) Linear chains of carbon atoms B) Triple bonds between carbon atoms C) Double bonds between carbon atoms D) Ring structures and delocalized electrons
A) Propane B) Ethyne C) Butene D) Benzene
A) Nitric acid B) Bromine water C) Sodium hydroxide 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) Saturated hydrocarbon B) Alkane C) Linear alkene D) Cyclic aromatic hydrocarbon
A) Six carbon atoms in a ring B) Four carbon atoms in a ring C) Five carbon atoms in a ring D) Three carbon atoms in a ring
A) Strong odor B) Stability and resistance to addition reactions C) High reactivity D) Low boiling point
A) It is highly reactive with halogens B) It is a strong oxidizing agent C) It is insoluble in most organic solvents D) It readily undergoes combustion
A) Plastics B) Medicines C) All of the above D) Fertilizers
A) CH3-CH2-CH=CH-CH2 B) CH3-CH2-CH2-CH2-CH3 C) CH3-CH=CH-CH=CH-CH3 D) CH3-CH=CH-CH=CH2
A) Unsaturated nature B) High boiling point C) Low reactivity D) Delocalized electron cloud
A) Ring-chain isomerism B) Optical isomerism C) Geometric isomerism D) Structural isomerism
A) Cyclobutane B) Benzene C) Ethane D) Cyclohexane
A) Benzene has a linear structure with alternating single and double bonds. B) Benzene undergoes substitution reactions rather than addition reactions. C) Benzene exhibits geometric isomerism due to its double bonds. D) Benzene is highly reactive and undergoes rapid addition reactions
A) Butene B) Butane C) Butyne D) Butadiene
A) Aromatic odor B) High reactivity C) Planar structure D) Delocalized pi electrons |