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