Chemistry Important One Liner Questions and Answers
🔹 The industrial production of aluminum from bauxite is by industrial process - electrical decomposition
🔹 Hydrogen is made up of acids, hydrogen and elements - chlorine.
🔹 The commercial utility of ethylene and styrene is due to their potential – polymerization
🔹 The compound that does not form a clean solution with water is benzoic acid.
🔹 Pure alcohol from Sura can be obtained from this process- Distillation
🔹 The highest amount of substance found in ocean water is- ordinary salt
🔹 The gas produced by the fermentation of a sugar solution is- carbon dioxide.
🔹 The pH of an aqueous solution of acetic acid is 2 What will be added to it will increase its pH value- Aqueous ammonia
🔹 Natural substance, which is made up of only one element and from which energy can be obtained – coal
🔹 Water is often not used to extinguish petrol fires because- water and petrol are inseparable. Petrol forms a layer on the surface of water
🔹 Industrial is a group of substances made by electrical decomposition - caustic soda, chlorine, aluminum
🔹 The gas that pollutes the environment is- sulfur dioxide.
🔹 The most important compounds for plant growth are made of- Nitrogen
🔹 How the compound made by heating caustic soda solution with flaxseed oil is used- soap
🔹 Sulfur dioxide and oxygen are two gases used in the industrial production of sulfuric acid
🔹 Steel contains- 0.1–2 percent carbon
🔹 The component of air used in the respiratory process is- oxygen.
🔹 The main role of salts in food is- to make a small amount of hydrochloric acid which helps in digestion of food.
🔹 The most commonly used metal by humans is iron.
🔹 The main component of cow dung gas is – Methane
🔹 The best fertilizer for plants is- compost
🔹 The pH of aqueous solution of hydrochloric acid can be approximately – 2
🔹 The highest element found in rocks and minerals is- silicon.
🔹 The gas used to extinguish the fire is carbon dioxide.
🔹 The aqueous solution of which gas has a strong acidic property - sulfur dioxide
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