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