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