Chemistry: Flammable and Toxic Substances

Flammable Liquids

• Acetone (CH3COCH3) is a flammable liquid.
• Acetic acid (CH3COOH) is flammable liquid.
• Ether (C2H5OC2H5) is a flammable liquid.
• Ethyl alcohol (C2H5OH) is a flammable liquid.
• Petrol (C6H14...C10H22) is a flammable liquid.
• Butane (C4H10) is a flammable gas.
• Ethane (C2H6) is a flammable gas.
• Propane (C3H8) is a flammable gas.
• Methane (CH4) is a flammable gas.

Toxic Gases

• Carbon monoxide (CO) is a toxic gas.
• Chlorine (Cl2) is toxic and corrosive.
• Phosgene (COCl2) is a toxic gas.
• Hydrosulfide (H2S) is a toxic gas.

Aggressive Materials

• Nitric acid (HNO3) is a corrosive acid.
• Barium alkali (hydroxide) (Ba(OH)2) is a corrosive alkali.
• Hydrochloric acid (HCl) is a corrosive acid.
• Ortho-phosphoric acid (H3PO4) is a corrosive acid.
• Calcium oxide (burnt lime) (CaO) is a corrosive alkali.
• Potassium alkali (KOH) is a corrosive alkali.
• Sodium alkali (NaOH) is a corrosive alkali.
• Sulfuric acid (H2SO4) is a corrosive acid.
• Soda (Na2CO3) is a corrosive alkali.

First Aid Materials

• Boric acid (H3BO3) is used for first aid.
• Glycerol (C3H5(OH)3) is used for first aid.
• Iodine (I2) is used for first aid.
• Potassium permanganate (KMnO4) is used for first aid.
• Sodium hydrocarbonate (backing soda) (NaHCO3) is used for first aid.

Other Important Chemicals

• Ammonia (NH3) is a colorless gas with a pungent odor.
• Ammonium hydroxide (NH4OH) is a solution of ammonia in water.
• Ammonium sulfate ((NH4)2SO4) is a salt used as a fertilizer.
• Carbon dioxide (CO2) is a colorless gas that is essential for plant life.
• Carbonic acid (H2CO3) is a weak acid formed when carbon dioxide dissolves in water.
• Calcium hydroxide (slacked lime) (Ca(OH)2) is a strong base.
• Calcium carbonate (chalk, limestone) (CaCO3) is a common rock found in many parts of the world.
• Potassium dichromate (K2Cr2O7) is a bright orange-red crystalline compound used in various industrial applications.
• Potassium carbonate (potash) (K2CO3) is a white solid used in the manufacturing of glass and soap.
• Crystal soda (Na2CO3 · 10H2O) is a hydrated form of sodium carbonate.
• Sodium chloride (white salt) (NaCl) is a common seasoning and preservative.

Test your knowledge on various flammable liquids, toxic gases, and aggressive materials in chemistry. This quiz covers important chemicals such as acetone, carbon monoxide, and various acids and alkalis. Gain insights into their properties and classifications.