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