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