9. Metals react with water. Metals such as calcium, magnesium and zinc that react with water react even more vigorously with dilute acids. 12. mercury (ii) Reaction with water: Metals react with water to form their oxides or hydroxides. The equations follow as: Question 14. (d) none of these, Question 19. Question 4. 17. (1) The reaction between a metal and an acid can be represented by the general word equation shown below: acid + metal → salt + hydrogen gas (d) All of these, Question 17. Metals are good conductors of heat and electricity while non-metals are poor conductors. Question 8. (c) CO2 gas (b) generally liquids 1. 9. Just like in the analogous reaction of alkenes, the new proton goes to the least substituted position, to give the most substituted carbocation. | EduRev Class 10 Question is disucussed on EduRev Study Group by 115 Class 10 Students. (c) Potassium Copper, aluminium, iron, silver, gold, etc. 10. high Acids and Bases React with Metals. 10. Answer: No, because copper is less reactive than zinc and will not be able to displace zinc from its salt solution. Non-metals like nitrogen and phosphorus are used in fertilisers for better yield of plant. Some metals will react with oxygen when they burn. But unlike the reaction between acids and bases, we do not get water. 15. Non-ipetals For example, if we beat or hammer any metal like aluminium, zinc, iron, copper, etc., it become longer and larger but does not break. The equation is Answer: 5. The most ductile metal is (c) Question 2. (c) What value of shopkeeper’s are shown here? Sodium, potassium When acids dissolve in water, they produce hydrogen ions. For example, Answer (1 of 3): When a metal reacts with dilute acid, salts are formed. 6. I. (d) For example. Aluminium is more reactive than copper. Question 2. We must handle the equipments carefully and firmly. (a) copper However, they did not include a chemical equation to demonstrate this, so I made my own: $$\ce{C17H35COO- (aq) + HCl (aq) -> C17H35COOH (aq) + Cl- (aq)}$$ But according to this equation, the fatty acid ion … When a magnesium ribbon is heated in presence of air, it burns with a white dazzling flame and a white powdery magnesium oxide is formed. Question 1. Zinc is used in galvanisation and dry cell and chromium in electroplating. 15. The equa­tion of the re­ac­tion is: 4Al + 3O₂ = 2Al₂O₃. These metals are placed above hydrogen in the reactivity series. Answer: Acids react with most of the metals and form hydrogen. 15. (b) Metals above hydrogen on the reactivity series will react with dilute acids. How do metals and non-metals react with bases? Mercury (metal), bromine (non-metal). Question 12. Note the rate of production of gas bubbles. Visit a blacksmith and observe how metals are moulded. Nitrogen dioxide is immediately formed when concentrated nitric acid is utilized. In the above reactions, zinc (Zn) and magnesium (Mg) are more reactive than copper (Cu), hence they replace copper from its solution. Answer: video from: Noel Pauller Whose oxides are basic in nature: Metal or non-metal? (b) BIS hallmark. The tablet is not made of iron metal, instead it contains a salt of iron. Question 3. The activity series is a useful guide for predicting the products of metal displacement reactions. (d) none of these, Question 16. Choose the correct option. e.g. You, can do it yourself for more knowledge about metals and non-metals. It can be beaten into thin sheets and can be folded into any shape. Answer: He observed certain changes after few hours. Metals react with acids to form the corresponding metal salt and hydrogen gas. it has to do with the number and placement of valence electrons. Answer (1 of 11): Its copper as it is less reactive than hydrogen and a less reactive metal can't displace the higher reactive metal from its chlorideand all other are more reactive than hydrogenmagnesium reacts with hydrogen chloride to form magnesium chloride and displaces hydrogenaluminium forms aluminium chloride and displaces hydrogen andiron reacts to form ferric chloride Difference between metals and non-metals on the basis of their chemical properties. Metals usually displace hydrogen from dilute acids. (c) both (a) and (b) Question 3. Acid + Metal Word Equations Chemistry Tutorial Key Concepts. The alu­minum pow­der burns, form­ing ox­ide. (a) react with water basic behaviour . Carbon, a non-metal, is used in most of the fuels. What are main uses of metals? Explain with suitable examples the chemical properties of non-metals. Answer: ... tend to darken with exposure to air (forming Mn(III) species), a dash of H2O2 cleans this up. This green material is a mixture of copper hydroxide [Cu(OH)2] and copper carbonate (CuC03). Metals produce their hydroxides or oxides and hydrogen. All of these metals react vigorously or even explosively with cold water. Chlorine is not a non-metal. It is also used in aircrafts and automobiles, etc. Both Na and Li are reactive metals and will react violently with dilute H 2SO 4. Acids and bases react chemically with each other to form salts. Answer: (d) none of these, Question 20. 5. Answer: All the Selina Concise Chemistry questions have been solved in … Take small pieces of copper turnings and add warm water to it. 5. For example, an acid reacts with a metal hydroxide to also form a salt and metal. 7. False (c) Lithium Active metals react with dilute acid to give hydrogen gas and salt Ask for details ; Follow Report by Lillyvince5637 08.10.2019 Log in to add a comment What do you need to know? He is passionate about technology and its practical application in today's world. Question 1. 7. (a) Sodium For example, magnesium reacts rapidly with dilute hydrochloric acid: Magnesium … (b) (a) hydrogen gas Reactions of acids with metals. (d) Metals react with acids to produce hydrogen gas. (a) Sulphuric acid to liberate sulphur dioxide gas as per the equation — Hope it helped ! 19. That is why it is used as wrapping materials for food items. You will notice that sodium reacts vigorously. A metal activity series places metals in order of relative reactivity, from most reactive to least reactive: (b) Zinc 10. Sulphur forms _____ oxides. In other words, when a metal is added to dilute acids, salt and hydrogen gas are formed. Non-metal oxides are _____ in nature. Lustre, Question 5. 8. Mineral Acids . 25. (i) Reaction with oxygen or air: Metals react with oxygen to form basic oxides. Zn + 2HCl – Zncl 2 – H 2 - Hydrogen gas is not evolved, when a metal reacts with HNO 3 because it is a strong. Match the following (iii) Reaction with acids: Metals react with acid to form their salts followed by evolution of hydrogen gas. True They also change the color of red litmus paper to blue. Answer: Sodium, III. (a) What precautions should you take while purchasing gold jewellery? (c) forms silvery balls that dash around the surface, being pushed by the hydrogen being formed. (b) Name the property due to which metals can be drawn into wires. The only liquid metal is _____. Carbon, Question 8. Answer: The equation are as follows: Fluoroantimonic acid is the world’s strongest acid, proudly standing on the pedestal slightly above carborane. (i) Name some common metals. (a) Nitrogen (c) Graphite Question 25. 1. (b) Sulphur Add a few copper turnings to test tube 2. 13. 2. non-metal Answer: Distinguish between metals and non-metals on the basis of their physical properties. That is why metals are used in ringing bells. (iii) Reaction with water: Non-metals do not react with water. 15. ZnCl 2 + H 2 Exception: Nitric acid (HN0 3) They do not react with dilute acids and hence do not displace hydrogen from acid. Take a small piece of magnesium ribbon and add warm water to it. (d) (d) None of these, Question 18. Why or why not? Which metal is more reactive: Iron or zinc? Copper, Question 18. This met­al also in­ter­acts ac­tive­ly with many acids. Non-metals cannot be converted into wires. The … Question 1. Why some metals displace other metals from their solution? or To access more topics go to the Combined Science Notes page. Sulphur is also used in preparing skin medicines and making ointment due to its fungicidal properties. 13. The process for blue litmus paper is similar, but no sulfuric or hydrochloric acid is added to the solution. These metal oxides and their hydroxides neutralise acids but do not react with bases. 6. Lead is used in making electrodes and batteries. Free Online CBSE Class Notes, NCERT Solutions, Self Study material for Class 6, Class 7, Class 8, Class 9, Class 10, Class 11 and Class 12 9. The metal found in liquid state is (d) Question 2. Note: You will find the reason why lithium forms a nitride on the page about reactions of Group 2 elements with air or oxygen.You will find what you want about 3/4 of the way down that page. 6. Question 4. Answer: A red powdery deposit of copper sulphate was found on the iron container. Answer: The equa­tion of the re­ac­tion is: 4Al + 3O₂ = 2Al₂O₃. Some noble metals like gold, silver and platinum do not react with oxygen. Acids produce carbon dioxide when reacted with carbonates. Name one non-metal which is lustrous. Due to this property, they can produce ringing sounds. 1. (f) (ii) Dilute sulphuric acid, if added to a solution of barium chloride, forms a white precipitate of barium sulphate. Two interpretations of implication in categorical logic? It doesn’t react with warm water also. Metals react with acid to give salt and hydrogen gas. Generally, non-metals do not react with acids. Bases are substances that substances that are slippery to touch when in aqueous form. 3. (h) (a) These do not react with water or dilute acids. (c) Aluminium In reactions where the acid is a hydrogen-ion-containing compound and the base is a hydroxide-ion-containing compound, water is also a product. Answer: If gold becomes reactive like copper then its use in ornaments will decline. The equa­tion of the re­ac­tion is: 2Al + 6HCl = 2Al­Cl₃ + 3H₂ Substances having characteristic properties like malleability, ductility, sonority, conductivity, lustre, – and solidness are called metals. Answer: The only liquid metal is bromine. What is a metal? Answer: A colourless solution of NaOH is formed. Difference between metals and non-metals on the basis of their physical properties. True 3. Transmetallation proceeded Oxygen A strip of copper placed into a zinc sulphate solution will not produce an appreciable reaction, because copper is below zinc on the series and can’t displace zinc ions from solution. They, generally, do not react with water. 3. Rust formed on iron object is acidic in nature. (b) What standard you must see on gold ornaments? Name some common non-metals. Nov 12,2020 - Can anyone tell me how metals react with acid? Graphite is a good conductor of electricity. Lithium's reactions are often rather like those of the Group 2 metals. Metals are very useful to us in many ways. Question 1. The gas evolved extinguishes a burning candle. Malleability and sonority. Answer: (a) (c) Iron Distinguish between metals and non-metals on the basis of their chemical properties. There are some metals like copper, silver, gold and platinum that do not liberate hydrogen with acids. Bases produces hydroxide ions. 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