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