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