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