A) Oxygen B) Carbon (iv) oxide C) Hydrogen D) Sulphur(iv) oxide
A) Hybridisation B) Allotropy C) Isotopy D) Isomerism
A) Is a giant molecule B) Has no free valence electrons C) Contains no bonded electrons D) Is solid at room temperature
A) Is a good absorbent B) Is rich in phosphate content C) Has a good carbon content D) Has a dark colour
A) Ionic lattice B) Layer lattice C) Molecular solid D) Network structure
A) Aqueous ammonia B) Ammoniacal liquor C) Ethanol D) Coal gas
A) Efflorescent B) Hygroscopic C) Deliquescent D) Insoluble
A) 6.7 B) 7.5 C) 10.0 D) 1.5
A) Hygroscopic B) Corrosive C) Efflorescent D) Deliquescent
A) Neutralisation B) Thermal decomposition C) Oxidation D) Double decomposition
A) Complex salt B) Normal salt C) Acidic salt D) Basic salt
A) Chloride B) Ammonium C) Potassium hydroxide D) Sodium chloride
A) Fluorescence B) Effervescence C) Efflorescence D) Deliquescence
A) Lead II oxide B) Aluminium oxide C) Carbon (iv) oxide D) Zinc oxide
A) KHSO4 B) (NH4)_2SO4 C) Zn(OH)Cl D) Ca(HCO3)_2
A) Decomposition B) Hydration C) Hydrolysis D) Dehydration
A) Equal to 14 B) Higher than 7 C) Equal to 7 D) Lower than 7
A) pH B) Acidity C) Basicity D) Concentration
A) Metallic lustre B) Durability C) Hardness D) High melting point
A) CO and H2 B) CO2 and H2 C) CO2 and N2 D) CO and N2
A) Nuclear energy B) Fossil fuels C) Natural gas D) Biomass
A) Carbon and oxygen B) Carbon and sulfur C) Carbon and nitrogen D) Carbon and hydrogen
A) Alkynes B) Alkenes C) Alcohols D) Alkanes
A) Plants and animals B) Volcanic eruptions C) Synthetic chemical reactions D) Geological processes over millions of years
A) Lubricating oil B) Kerosene C) Diesel D) Gasoline
A) Carbon dioxide gas (CO2) B) Oxygen gas (O2) C) Hydrogen gas (H2) D) Nitrogen gas (N2)
A) It is highly flammable B) It has a sweet taste C) It is a solid at room temperature D) It is a weak acid
A) Pharmaceutical industry B) Textile industry C) Food and beverage industry D) Automotive industry
A) A white precipitate forms when silver nitrate is added B) A green flame is observed C) Effervescence occurs when acid is added D) Blue litmus paper turns red
A) CO32- B) HCO3- C) CO2 D) H2CO3
A) Petroleum B) Water C) Air 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) Heavy chemicals B) Fine chemicals C) Bulk chemicals D) Light chemicals
A) Contact process B) Photosynthesis C) Electrolysis of brine D) Solvay process
A) They are chemically pure 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 produced by process
A) Milk B) Ammonia C) Vinegar D) Baking soda
A) 3 B) 10 C) 4 D) 11
A) To measure the concentration of a solution B) To identify the presence of specific substances C) To calculate the molar mass of a compound D) determine the boiling point of a substance
A) They help in reducing greenhouse gas emissions B) They are used as raw materials in various industries C) They are a source of clean energy D) They are essential for the production of medicines
A) Propane B) Ethane C) Butane D) Methane
A) Lubricants for machinery B) Fuel for transportation C) Raw materials for plastics D) Heating and cooking fuel |