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