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