A) Hybridisation B) Allotropy C) Isotopy D) Isomerism
A) Has no free valence electrons B) Contains no bonded electrons C) Is a giant molecule D) Is solid at room temperature
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) Hygroscopic D) Efflorescent
A) Fluorescence B) Deliquescence C) Effervescence D) Efflorescence
A) Dehydration B) Decomposition C) Hydrolysis D) Hydration
A) Metallic lustre B) Hardness C) Durability D) High melting point
A) CO2 and H2 B) CO and H2 C) CO2 and N2 D) CO and N2
A) Nuclear energy B) Natural gas C) Biomass D) Fossil fuels
A) Carbon and oxygen B) Carbon and hydrogen C) Carbon and sulfur D) Carbon and nitrogen
A) Alkynes B) Alcohols C) Alkanes D) Alkenes
A) Geological processes over millions of years B) Plants and animals C) Volcanic eruptions D) Synthetic chemical reactions
A) Water B) Petroleum C) Air D) Limestone
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) Fine 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) 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 are used as raw materials in various industries D) They help in reducing greenhouse gas emissions
A) Propane B) Methane C) Ethane D) Butane |