A) Isotopy B) Allotropy C) Hybridisation D) Isomerism
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) Has a good carbon content D) Is rich in phosphate content
A) Aqueous ammonia B) Coal gas C) Ethanol D) Ammoniacal liquor
A) Deliquescent B) Insoluble C) Hygroscopic D) Efflorescent
A) Effervescence B) Fluorescence C) Deliquescence D) Efflorescence
A) Hydrolysis B) Decomposition C) Hydration D) Dehydration
A) Hardness B) Metallic lustre C) Durability D) High melting point
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 sulfur B) Carbon and oxygen C) Carbon and nitrogen D) Carbon and hydrogen
A) Alkenes B) Alcohols C) Alkanes D) Alkynes
A) Synthetic chemical reactions B) Plants and animals C) Volcanic eruptions D) Geological processes over millions of years
A) Limestone B) Air C) Water D) Petroleum
A) Is used extensively in industries B) Has high molar mass C) Is a powerful dehydrating agent. D) Is a dense, oily liquid
A) Fine chemicals B) Heavy chemicals C) Light chemicals D) Bulk chemicals
A) They are produced in small quantities because of limited applicability. B) They are produced in large quantities because of their high applicability C) They are chemically pure D) They are produced by process
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 are a source of clean energy B) They are used as raw materials in various industries C) They help in reducing greenhouse gas emissions D) They are essential for the production of medicines
A) Propane B) Butane C) Ethane D) Methane |