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