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