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