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