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