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