A) Water B) Salts C) Carbon compounds D) Metals
A) CH4 B) CO2 C) NaCl D) H2SO4
A) Nitrogen B) Hydrogen C) Oxygen D) Carbon
A) High electrical conductivity B) Metallic bonding C) Low melting and boiling points D) High melting points
A) Insoluble in water B) Ionic in nature C) Soluble in water D) Good conductors of electricity
A) Catalysis B) Isomerism C) Polymerization D) Catenation
A) Ionic B) Metallic C) Covalent D) Electrovalent
A) Sodium carbonate B) Methane C) Benzene D) Ethanol
A) CₙHₙ B) CₙH₂ₙ C) CₙH₂ₙ₊₂ D) CₙH₂ₙ₋₂
A) Single bonds B) Ionic bonds C) Double bonds D) Triple bonds
A) Alkene family B) Alcohol family C) Alkane family D) Alkyne family
A) C≡C B) C=C C) –OH D) –COOH
A) Alkene family B) Ester family C) Alkyne family D) Alkane family
A) CₙH₂ₙ₊₂ B) CₙHₙ C) CₙH₂ₙ₋₂ D) CₙH₂ₙ
A) CH₄ B) C₃H₄ C) C₃H₆ D) C₃H₈
A) Ethene B) Methane C) Butane D) Propane
A) CₙH₂ₙ B) CₙHₙ C) CₙH₂ₙ₋₂ D) CₙH₂ₙ₊₂
A) Ethene B) Propane C) Methane D) Ethane
A) Ethyne B) Ethene C) Ethane D) Propene
A) CH₄ B) CH₂ C) H₂ D) CO₂
A) Same colour B) Same state C) Same formula and different structures D) Different formulae
A) Same boiling point always B) Different molecular formula C) Same physical properties D) Same molecular formula but different structural formula
A) Ethene B) Methane C) Propane D) Ethane
A) Nuclear isomerism B) Optical isomerism C) Structural isomerism D) Geometric isomerism
A) Same molecular formula B) Different molecular formula C) Same empirical formula only D) Different atomic masses
A) Geometric B) Structural C) Nuclear D) Chain
A) Crude oil B) Coal C) Bitumen D) Coke
A) Distillation B) Evaporation C) Fractional distillation D) Filtration
A) Lubricant B) Roofing material C) Fuel for cars D) Road surfacing
A) Water B) Coal C) Wood D) Petroleum
A) Sand B) Plastic C) Glass D) Salt
A) A new substance B) Oxygen only C) No new substance D) Water only
A) Neutralization only B) Exchange of ions C) One substance breaking down D) Two or more substances combining
A) Breaking one compound into simpler substances B) Burning fuel C) Combining elements D) Dissolving salts
A) Melting B) Physical change C) Sublimation D) Chemical change
A) Mechanical change B) Chemical change C) Reversible change D) Physical change
A) Change in shape only B) Gas evolution C) Colour change D) Formation of precipitate
A) Produces electricity only B) Absorbs heat C) Releases heat D) Has no heat change
A) Gives out heat B) Is always explosive C) Absorbs heat D) Produces flame
A) Neutral B) Endothermic C) Exothermic D) Reversible |