A) Hybridisation B) Isomerism C) Allotropy D) Isotopy
A) Contains no bonded electrons B) Is solid at room temperature C) Has no free valence electrons D) Is a giant molecule
A) Has a good carbon content B) Is rich in phosphate content C) Has a dark colour D) Is a good absorbent
A) Ethanol B) Coal gas C) Ammoniacal liquor D) Aqueous ammonia
A) Insoluble B) Hygroscopic C) Efflorescent D) Deliquescent
A) Effervescence B) Deliquescence C) Fluorescence D) Efflorescence
A) Hydrolysis B) Decomposition C) Dehydration D) Hydration
A) Metallic lustre B) Durability C) Hardness D) High melting point
A) CO and H2 B) CO2 and N2 C) CO and N2 D) CO2 and H2
A) Fossil fuels B) Nuclear energy C) Natural gas D) Biomass
A) Carbon and sulfur B) Carbon and hydrogen C) Carbon and oxygen D) Carbon and nitrogen
A) Alkynes B) Alkanes C) Alcohols D) Alkenes
A) Volcanic eruptions B) Geological processes over millions of years C) Synthetic chemical reactions D) Plants and animals
A) Water B) Air C) Limestone D) Petroleum
A) Is a dense, oily liquid B) Has high molar mass C) Is used extensively in industries D) Is a powerful dehydrating agent.
A) Heavy chemicals B) Light chemicals C) Fine chemicals D) Bulk chemicals
A) They are produced in large quantities because of their high applicability B) They are produced by process C) They are chemically pure D) They are produced in small quantities because of limited applicability.
A) To measure the concentration of a solution B) determine the boiling point of a substance C) To identify the presence of specific substances D) To calculate the molar mass of a compound
A) They are a source of clean energy B) They help in reducing greenhouse gas emissions C) They are essential for the production of medicines D) They are used as raw materials in various industries
A) Ethane B) Butane C) Propane D) Methane |