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