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