A) Carbon (iv) oxide B) Oxygen C) Sulphur(iv) oxide D) Hydrogen
A) Hybridisation B) Isotopy C) Isomerism 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) Is rich in phosphate content B) Has a good carbon content C) Has a dark colour D) Is a good absorbent
A) Ionic lattice B) Layer lattice C) Network structure D) Molecular solid
A) Aqueous ammonia B) Ethanol C) Ammoniacal liquor D) Coal gas
A) Deliquescent B) Efflorescent C) Insoluble D) Hygroscopic
A) 10.0 B) 6.7 C) 7.5 D) 1.5
A) Hygroscopic B) Deliquescent C) Corrosive D) Efflorescent
A) Neutralisation B) Thermal decomposition C) Double decomposition D) Oxidation
A) Basic salt B) Complex salt C) Normal salt D) Acidic salt
A) Ammonium B) Potassium hydroxide C) Chloride D) Sodium chloride
A) Deliquescence B) Efflorescence C) Fluorescence D) Effervescence
A) Aluminium oxide B) Lead II oxide C) Carbon (iv) oxide D) Zinc oxide
A) Zn(OH)Cl B) KHSO4 C) Ca(HCO3)_2 D) (NH4)_2SO4
A) Dehydration B) Hydration C) Decomposition D) Hydrolysis
A) Higher than 7 B) Equal to 14 C) Equal to 7 D) Lower than 7
A) Concentration B) pH C) Basicity D) Acidity
A) Metallic lustre B) Durability C) Hardness D) High melting point
A) CO2 and N2 B) CO2 and H2 C) CO and N2 D) CO and H2
A) Biomass B) Nuclear energy C) Natural gas D) Fossil fuels
A) Carbon and nitrogen B) Carbon and hydrogen C) Carbon and oxygen D) Carbon and sulfur
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) Lubricating oil B) Diesel C) Kerosene D) Gasoline
A) Hydrogen gas (H2) B) Nitrogen gas (N2) C) Carbon dioxide gas (CO2) D) Oxygen gas (O2)
A) It is a weak acid B) It has a sweet taste C) It is highly flammable D) It is a solid at room temperature
A) Automotive industry B) Textile industry C) Pharmaceutical industry D) Food and beverage 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) CO32- B) H2CO3 C) HCO3- D) CO2
A) Limestone B) Water C) Air D) Petroleum
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) Heavy chemicals C) Bulk chemicals D) Light chemicals
A) Photosynthesis B) Contact process C) Electrolysis of brine D) Solvay process
A) They are produced by process B) They are produced in small quantities because of limited applicability. C) They are chemically pure D) They are produced in large quantities because of their high applicability
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 help in reducing greenhouse gas emissions C) They are a source of clean energy D) They are used as raw materials in various industries
A) Propane B) Butane C) Methane D) Ethane
A) Heating and cooking fuel B) Raw materials for plastics C) Lubricants for machinery D) Fuel for transportation |