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