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