A) Sulphur(iv) oxide B) Oxygen C) Carbon (iv) oxide D) Hydrogen
A) Isomerism B) Isotopy C) Hybridisation D) Allotropy
A) Has no free valence electrons B) Is solid at room temperature C) Is a giant molecule D) Contains no bonded electrons
A) Has a good carbon content B) Is rich in phosphate content C) Has a dark colour D) Is a good absorbent
A) Molecular solid B) Layer lattice C) Network structure D) Ionic lattice
A) Ethanol B) Ammoniacal liquor C) Coal gas D) Aqueous ammonia
A) Hygroscopic B) Deliquescent C) Insoluble D) Efflorescent
A) 1.5 B) 6.7 C) 7.5 D) 10.0
A) Efflorescent B) Hygroscopic C) Corrosive D) Deliquescent
A) Double decomposition B) Neutralisation C) Oxidation D) Thermal decomposition
A) Normal salt B) Complex salt C) Acidic salt D) Basic salt
A) Sodium chloride B) Chloride C) Potassium hydroxide D) Ammonium
A) Efflorescence B) Effervescence C) Deliquescence D) Fluorescence
A) Carbon (iv) oxide B) Zinc oxide C) Aluminium oxide D) Lead II oxide
A) Zn(OH)Cl B) (NH4)_2SO4 C) Ca(HCO3)_2 D) KHSO4
A) Hydrolysis B) Dehydration C) Hydration D) Decomposition
A) Equal to 14 B) Equal to 7 C) Higher than 7 D) Lower than 7
A) Basicity B) pH C) Acidity D) Concentration
A) Durability B) High melting point C) Metallic lustre D) Hardness
A) CO and N2 B) CO and H2 C) CO2 and H2 D) CO2 and N2
A) Biomass B) Fossil fuels C) Nuclear energy D) Natural gas
A) Carbon and nitrogen B) Carbon and oxygen C) Carbon and hydrogen D) Carbon and sulfur
A) Alkenes B) Alkanes C) Alcohols D) Alkynes
A) Geological processes over millions of years B) Synthetic chemical reactions C) Volcanic eruptions D) Plants and animals
A) Diesel B) Lubricating oil C) Kerosene D) Gasoline
A) Oxygen gas (O2) B) Hydrogen gas (H2) C) Carbon dioxide gas (CO2) D) Nitrogen gas (N2)
A) It has a sweet taste B) It is highly flammable C) It is a solid at room temperature D) It is a weak acid
A) Food and beverage industry B) Pharmaceutical industry C) Automotive industry D) Textile industry
A) Blue litmus paper turns red B) A white precipitate forms when silver nitrate is added C) Effervescence occurs when acid is added D) A green flame is observed
A) CO32- B) H2CO3 C) CO2 D) HCO3-
A) Air B) Limestone C) Petroleum D) Water
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) Bulk chemicals C) Heavy chemicals D) Fine chemicals
A) Solvay process B) Contact process C) Electrolysis of brine D) Photosynthesis
A) They are chemically pure B) They are produced in large quantities because of their high applicability C) They are produced by process D) They are produced in small quantities because of limited applicability.
A) Vinegar B) Milk C) Ammonia D) Baking soda
A) 3 B) 11 C) 10 D) 4
A) determine the boiling point of a substance B) To identify the presence of specific substances C) To measure the concentration of a solution D) To calculate the molar mass of a compound
A) They help in reducing greenhouse gas emissions B) They are used as raw materials in various industries C) They are a source of clean energy D) They are essential for the production of medicines
A) Ethane B) Butane C) Propane D) Methane
A) Heating and cooking fuel B) Fuel for transportation C) Raw materials for plastics D) Lubricants for machinery |