(d) Sodium is a very reactive metal. Answer Questions. Q.4: Mark ‘T’ if the statement is true and ‘F’ if it is false. Mark 'True' or 'False' for following statements: (a) Electric current can flow through metals. Answer… (True) Explanation: - The most ductile metal is gold. Ductility. Most metals can be stretched into long wires. (c) Non-metals react with dilute acids to produce hydrogen gas. This is an example of a chemical reaction. False ii. True or False? (a) All metals exist in solid form at room temperature. ( ) (b) Sodium is a very reactive metal. True or False: The direction a vector is drawn indicates the magnitude of the vector.? Sodium is a very reactive metal. (b) Coal can be drawn into wires. 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. Question 2. (False) Generally, metals react with acids and release gas. Answer. Ductility: Ability of the metals to be melted and drawn into thin wires is called ductility. Mark ‘T’ If the Statement is True and ‘F’ If It is False. Answer: (a) Electric current can flow through metals. (False) 3. ( ) (b) Sodium is a very reactive metal. [ ] (c) Copper displaces zinc from zinc sulphate solution. Coal can be drawn into wires. ( ) (d) Coal can be drawn into wires. (C) False . Copper displaces zinc from zinc sulphate solution. SURVEY . (iv) Coal can be drawn into wires. Generally Non-metallic oxides are acidic in nature and acids react with bases. Q3. Malleable. streak. Mark ‘T’ if the statement is true and ‘F’ if it is false. When you hit it, it rings like a bell. ( ) Answer: (i) Generally, non-metals react with acids. Ductile (most metals can be drawn out into thin wires like guitars strings or electric wire) 6. (T) (a) Generally, non-metals react with acids. Answer: a → reactive, b → electricity, c → more, d → hydrogen. (true or false) All minerals can be classified according to their color. ... Malleable means that they can be hammered into thin sheets. Some properties are listed in the following Table. Q. It can be drawn out into wires. Tags: Question 3 . Tags: Question 2 . ... 5 answers. Sonorous. non-metals. Solution 5. (e) Copper displaces zinc from zinc sulphate solution. Metal reacts with oxygen to form metallic oxides. (d) Coal can be drawn into wires. ( ) b) Sodium is a very reactive metal. ( ) (d) Coal can be drawn into wires. (a) Generally, non-metals react with acids. These solutions for Coal And Petroleum are extremely popular among Class 8 students for Science Coal And Petroleum Solutions come handy for quickly completing your homework and preparing for exams. 3. Coal can be drawn into wires- False. Correct statement: A compound is formed due to the chemical combination of two or more elements. (a) Generally, non-metals react with acids. Flexible. Sodium is a very reactive metal. Mark ‘T’ if the statement is true and ‘F’ if it is false. (d) Sodium is a … ( ) d) Coal can be drawn into wires. Mark ‘T’ if the statement is true and ‘F’ if it is false. These have characteristics opposite those of metals. Coal can be drawn into wires. True or False , if false correct the statement 1. If powered exoskeletons become a thing, what kind of jobs would they be suitable for? 34. ( ) (b) Sodium is a very reactive metal. Mark T’ if the statement is true and ‘F’ if it is false. Answer: (a) False (b) True (c) False (d) False. Generally, non-metals react with acids. Coal Can Be Drawn into Wires. False v. Metals are harder than non-metals. 2. True. Can be drawn into wires. Mark ‘T’ if the statement is true and ‘F’ if it is false. (c) Non-metals react with dilute acids to produce hydrogen gas. True/False i. (a) Generally, non-metals react with acids. ( ) (b) Sodium is a very reactive metal. ... Is it ok to put multiple (10 or more) electrical wires into a conduit? Mark ‘T’ if the statement is true and ‘F’ if it is false. Which of the following properties refers to the ability of metals to be drawn into wires? ( ) Answers: (i) Generally, non-metals react with acids. SURVEY . ( ) (d) Coal can be drawn into wires. 5. Coke is almost pure form of carbon. Answer: False. A wire of 2km can be drawn from a piece of 10g of gold. ( ) Answer: (a) Generally, non-metals react with acids. CNG is more polluting fuel than petrol. Preview this quiz on Quizizz. Answer: (a) reactive, (b) electricity, (c) more, (d) hydrogen 4: Mark ‘T’ if the statement is true and ‘F’ if it is false. Compounds can be made up of one atom- False. ( ) Answer. (a ) Generally, non-metals react with acids. (True / False) Answer: 1. Malleable. True or False - 20307801 Question 4: Mark ‘T’ if the statement is true and ‘F’ if it is false. ( ) Concept: Physical Properties of Metals and Non-metals. ( ) (d) Coal can be drawn into wires. ? Sonorous. Answer: False. Sodium is a very reactive metal. ... .. is the property of metals by which it can be drawn into wires. (b) Sodium is a very reactive metal. (c) Copper displaces zinc from zinc sulphate solution. (a) Generally, non-metals react with acids. Living Science 2019 2020 Solutions for Class 8 Science Chapter 5 Coal And Petroleum are provided here with simple step-by-step explanations. The property of metals being able to be drawn in wires is called ductility. (d) Coal can be drawn into wires. 4.) (b) Coal can be drawn into wires. (a) Generally, non-metals react with acids. (b) Sodium is a very reactive metal. (True) 4. Iron hammers can be used to shape gold. (F) Concept insight: Coal is a form of carbon which is a non metal. Metals are generally good conductors of electricity, but not good conductors of heat- False. 3.) 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