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