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