A) Sulphur(iv) oxide B) Oxygen C) Carbon (iv) oxide D) Hydrogen
A) Isotopy B) Isomerism C) Hybridisation D) Allotropy
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) Is a good absorbent C) Is rich in phosphate content D) Has a dark colour
A) Network structure B) Ionic lattice C) Molecular solid D) Layer lattice
A) Coal gas B) Aqueous ammonia C) Ethanol D) Ammoniacal liquor
A) Deliquescent B) Insoluble C) Efflorescent D) Hygroscopic
A) 10.0 B) 7.5 C) 1.5 D) 6.7
A) Corrosive B) Hygroscopic C) Efflorescent D) Deliquescent
A) Oxidation B) Neutralisation C) Double decomposition D) Thermal decomposition
A) Acidic salt B) Complex salt C) Basic salt D) Normal salt
A) Potassium hydroxide B) Sodium chloride C) Chloride D) Ammonium
A) Fluorescence B) Efflorescence C) Deliquescence D) Effervescence
A) Lead II oxide B) Aluminium oxide C) Zinc oxide D) Carbon (iv) oxide
A) (NH4)_2SO4 B) KHSO4 C) Ca(HCO3)_2 D) Zn(OH)Cl
A) Decomposition B) Hydrolysis C) Dehydration D) Hydration
A) Equal to 7 B) Lower than 7 C) Equal to 14 D) Higher than 7
A) Concentration B) pH C) Basicity D) Acidity
A) High melting point B) Metallic lustre C) Durability D) Hardness
A) CO and H2 B) CO2 and H2 C) CO and N2 D) CO2 and N2
A) Biomass B) Nuclear energy C) Fossil fuels D) Natural gas
A) Carbon and hydrogen B) Carbon and sulfur C) Carbon and nitrogen D) Carbon and oxygen
A) Alcohols B) Alkenes C) Alkanes D) Alkynes
A) Geological processes over millions of years B) Plants and animals C) Volcanic eruptions D) Synthetic chemical reactions
A) Gasoline B) Diesel C) Kerosene D) Lubricating oil
A) Hydrogen gas (H2) B) Oxygen gas (O2) C) Nitrogen gas (N2) D) Carbon dioxide gas (CO2)
A) It is a weak acid B) It is a solid at room temperature C) It is highly flammable D) It has a sweet taste
A) Food and beverage industry B) Pharmaceutical industry C) Textile industry D) Automotive industry
A) Effervescence occurs when acid is added B) Blue litmus paper turns red C) A white precipitate forms when silver nitrate is added D) A green flame is observed
A) CO2 B) CO32- C) HCO3- D) H2CO3
A) Water B) Air C) Petroleum D) Limestone
A) Is a powerful dehydrating agent. B) Is a dense, oily liquid C) Has high molar mass D) Is used extensively in industries
A) Fine chemicals B) Light chemicals C) Heavy chemicals D) Bulk chemicals
A) Photosynthesis B) Solvay process C) Electrolysis of brine D) Contact process
A) They are produced by process B) They are produced in small quantities because of limited applicability. C) They are produced in large quantities because of their high applicability D) They are chemically pure
A) Baking soda B) Vinegar C) Milk D) Ammonia
A) 4 B) 10 C) 3 D) 11
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 a source of clean energy C) They are used as raw materials in various industries D) They help in reducing greenhouse gas emissions
A) Propane B) Butane C) Ethane D) Methane
A) Lubricants for machinery B) Fuel for transportation C) Heating and cooking fuel D) Raw materials for plastics |