A) Isomerism B) Hybridisation C) Allotropy D) Isotopy
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) Has a dark colour C) Has a good carbon content D) Is rich in phosphate content
A) Coal gas B) Aqueous ammonia C) Ethanol D) Ammoniacal liquor
A) Insoluble B) Efflorescent C) Deliquescent D) Hygroscopic
A) Deliquescence B) Fluorescence C) Efflorescence D) Effervescence
A) Hydration B) Hydrolysis C) Decomposition D) Dehydration
A) High melting point B) Hardness C) Durability D) Metallic lustre
A) CO and H2 B) CO2 and H2 C) CO and N2 D) CO2 and N2
A) Biomass B) Nuclear energy C) Natural gas D) Fossil fuels
A) Carbon and oxygen B) Carbon and nitrogen C) Carbon and sulfur D) Carbon and hydrogen
A) Alkynes B) Alkanes C) Alkenes D) Alcohols
A) Plants and animals B) Volcanic eruptions C) Geological processes over millions of years D) Synthetic chemical reactions
A) Water B) Air C) Petroleum D) Limestone
A) Is a dense, oily liquid B) Is a powerful dehydrating agent. C) Is used extensively in industries D) Has high molar mass
A) Light chemicals B) Heavy chemicals C) Fine chemicals D) Bulk chemicals
A) They are produced by process B) They are produced in small quantities because of limited applicability. C) They are produced in large quantities because of their high applicability D) They are chemically pure
A) To calculate the molar mass of a compound B) To measure the concentration of a solution C) To identify the presence of specific substances 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 a source of clean energy D) They are essential for the production of medicines
A) Ethane B) Propane C) Butane D) Methane |