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