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