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