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