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