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