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