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