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