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