Most metals can be stretched into long wires. 4.) ( ) d) Coal can be drawn into wires. (a) Generally, non-metals react with acids. ( ) (c) Copper displaces zinc from zinc sulphate solution. This is an example of a chemical reaction. ( ) (d) Coal can be drawn into wires. Fossil fuels can be made in the laboratory. Mark for Review (1) Points True (*) False 4. The property of metals being able to be drawn in wires is called ductility. Answer. Solution 5. Coal can be drawn into wires. [ ] Answer. answer choices . Ductile. (a) All metals exist in solid form at room temperature. CNG is more polluting fuel than petrol. ( ) (c) Copper displaces zinc from zinc sulphate solution. State whether the following statements are True or False: Question 1. (F) Concept insight: Coal is a form of carbon which is a non metal. Generally, non-metals react with acids. Mark ‘T’ If the Statement is True and ‘F’ If It is False. ( ) Answer. Coal can be drawn into wires. Which of the following statements best describes something that is ductile? True vi. (d) Coal can be drawn into wires. ( ) Answer: (i) Generally, non-metals react with acids. Answer Questions. Q.4: Mark ‘T’ if the statement is true and ‘F’ if it is false. Compounds can be made up of one atom. Sodium is a very reactive metal. (True / False) Answer: 1. Correct statement: A compound is formed due to the chemical combination of two or more elements. non-metals. Ductility. ... Malleable means that they can be hammered into thin sheets. Data models are drawn to show users the actual Data that their new system will contain; only Data listed on the Diagram can be entered into the Database. Mark ‘T’ if the statement is true and ‘F’ if it is false. True. Mark ‘T’ if the statement is true and ‘F’ if it is false. Living Science 2019 2020 Solutions for Class 8 Science Chapter 5 Coal And Petroleum are provided here with simple step-by-step explanations. False iv. (d) Sodium is a very reactive metal. Question 4: Mark ‘T’ if the statement is true and ‘F’ if it is false. True iii. Some properties are listed in the following Table. A wire of 2km can be drawn from a piece of 10g of gold. streak. (B) True . (a) Generally, non-metals react with acids. (d) Sodium is a … (iv) Coal can be drawn into wires. (c) Copper displaces zinc from zinc sulphate solution. True or False - 20307801 Question 5. Metals are generally good conductors of electricity, but not good conductors of heat- False. ( ) c) Copper displaces zinc from zinc sulphate solution. Ductile means that they can be drawn into wires. (a) All metals exist in solid form at room temperature. Q3. (F) (ii) Sodium is a very reactive metal. Answer… Flexible. The non-metal carbon is used as fuel in the form of coal or charcoal. View Answer NCERT Question 5 - Some properties are listed in the following Table. Answer: False. ( ) (d) Coal can be drawn into wires. A Conceptual Model is not concerned with how the Physical Model will be implemented. (True / False) Coke is almost pure form of carbon. Copper displaces zinc from zinc sulphate solution. ( ) (c) Copper displaces zinc from zinc sulphate solution. If powered exoskeletons become a thing, what kind of jobs would they be suitable for? False ii. 34. Zinc is more reactive than copper. (a) Generally, non-metals react with acids. 34. Answer Questions. a) Generally, non-metals react with acids. (d) Sodium is a … (c) Copper displaces zinc from zinc sulphate solution. (c) Non-metals react with dilute acids to produce hydrogen gas. Answer: (a) False (b) True (c) False (d) False. The most ductile metal is gold. ( ) Concept: Physical Properties of Metals and Non-metals. (b) Coal can be drawn into wires. ( ) (d) Coal can be drawn into wires. True/False i. ( ) Answer: (a) Generally, non-metals react with acids. True or False? (True / False) Kerosene is not a fossil fuel. (true or false) All minerals can be classified according to their color. Coal can be drawn into wires- False. a) Generally, non-metals react … [ ] (c) Copper displaces zinc from zinc sulphate solution. [ ] (b) Sodium is a very reactive metal. Question 4: Mark ‘T’ if the statement is true and ‘F’ if it is false. ( ) Concept: Non Metals and Its Physical Properties. ( ) (b) Sodium is a very reactive metal. (c) Electric current can pass through a sheet of thermoCol. Question 4. Coal Can Be Drawn into Wires. Question 2. Mark ‘T’ if the statement is true and ‘F’ if it is false. 2. Those items which can be formed into thin wires are ductile items ... View Answer NCERT Question 3 (b) ... View Answer NCERT Question 4 (d) - Mark ‘T’ if the statement is true and ‘F’ if it is false. Metals can be spread by hammered or beaten into thin sheets, without breaking because metallic bonds in the metals do not break easily. Mark ‘T’ if the statement is true and ‘F’ if it is false. Based upon that statement, which of the following is true? I try to explain in simple terms as of various forms of energy Law of conservation of energy This law states that energy cannot be created nor destroyed but it can only be transferred from one form to another form. (b) Coal can be drawn into wires. 3. Therefore, it can be beaten into thin foils. Answer. Malleable. (T) Gallium metal is in solid state at or just above room temperature- False. 30 seconds . 3. Q2. Flexible. Which of the following properties refers to the ability of metals to be drawn into wires? (c) Copper displaces zinc from zinc sulphate solution. Answer. ( ) (b) Sodium is a very reactive metal. (False) 3. Mark ‘T’ if the statement is true and ‘F’ if it is false. ( ) (b) Sodium is a very reactive metal. In a displacement reaction, the more reactive element displaces the less reactive metal from its salt so ‘Copper React with acids ( b ) Sodium is a very reactive metal... is! 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