What is the symbol of tungsten ?

1 Answer

Answer :

The symbol of tungsten is W.

Related questions

Description : What is the chemical symbol for tungsten?

Last Answer : W

Description : What is the chemical symbol for tungsten

Last Answer : W

Description : The element found in the surface of the Moon is – (1) Tin (2) Tungsten (3) Tantalum (4) Titanium

Last Answer : (4) Titanium Explanation: Elements known to be present on the lunar surface include, among others, oxygen(O), silicon (Si), iron (Fe), magnesium (Mg), calcium (Ca), aluminium (Al),manganese (Mn) and titanium (Ti).

Description : An electric iron has a heating element made of – (1) Copper (2) Tungsten (3) Nichrome (4) Zinc

Last Answer : (3) Nichrome Explanation: Nichrome is used in electric iron because it has high resistance and it is stable in air when hot. Nichrome wire forms a protective layer of chromium oxide. Chemically it is quite stable and does not combine with other atmospheric gases even in high temperature.

Description : Which of the following elements is not present in stainless steel? (1) Iron (2) Tungsten (3) Chromium (4) Nickel

Last Answer : (2) Tungsten Explanation: Stainless steel is defined as a steel alloy of iron with a minimum of 10.5% to 11% chromium content by mass. There are different types of stainless steels: ... stabilized. This crystal structure makes such steels virtually non-magnetic and less brittle at low temperatures.

Description : Which one of the following elements is essential for the construction of nuclear reactors? (1) Cobalt (2) Nicke (3) Zirconium (4) Tungsten

Last Answer : (3) Zirconium Explanation: Zirconium is an essential element for the construction of nuclear reactors.

Description : Among the following the hardest metal is – (1) Gold (2) Iron (3) Platinum (4) Tungsten

Last Answer : (4) Tungsten Explanation: Titanium is the hardest natural metal in the world. It is very strong, three times the strength of steel and much stronger than gold, silver and platinum and yet is very ... normal wear. Tungsten carbide is two times as hard as steel and four times as hard as titanium.

Description : Hardest material is - (1) Tungsten (2) Diamond (3) Steel (4) Graphite

Last Answer : (2) Diamond Explanation: Diamondsare commonly known as the hardest substance on earth, used in drill bits for cutting applications.

Description : Name two elements that find wide application in transistor industry – (1) Silicon and Germanium (2) Carbon and Platinum (3) Iridium and Germanium (4) Tungsten and Platinum

Last Answer : (1) Silicon and Germanium Explanation: A transistor is a semiconductor device used to amplify and switch electronic signals and electrical power. Semiconductor material (date first used): the metalloids ... -germanium (1989), the allotrope of carbon graphene (research ongoing since 2004), etc.

Description : What is the Latin name for Tungsten?  

Last Answer : ANSWER: WOLFRAM

Description : An electric iron has a heating element made of : (1) Copper (2) Tungsten (3) Nichrome (4) Zinc

Last Answer : Nichrome

Description : Which of the following elements is not present in stainless steel? (1) Iron (2) Tungsten (3) Chromium(4) Nickel

Last Answer : Tungsten

Description : Among the following the hardest metal is (1) Gold (2) Iron (3) Platinum (4) Tungsten

Last Answer : Tungsten

Description : Name two elements that find wide application in transistor industry (1) Silicon and Germanium (2) Carbon and Platinum (3) Iridium and Germanium (4) Tungsten and Platinum

Last Answer : Silicon and Germanium

Description : Are Kino-Flo Tungsten Balanced lights truly tungsten balanced?

Last Answer : Wow, I will be so surprised if you get an expert answer here. I would guess so, but I’m not a film guy so I’ve never used them. Don’t they have published color temperatures for their products on their website?

Description : Are tungsten carbide prices going up?

Last Answer : I use tungsten carbide burrs on my rotary grinder and they have not changed in price in the last couple of years. I didn’t know they made jewelry out of tc, is it pretty?

Description : What are the chemical signals of tungsten ?

Last Answer : W Tangestine signal

Description : Why is the filament of electric bulb made of tungsten ?

Last Answer : When electricity flows through the coil or filament of the thin wire of the bulb, it becomes very hot and radiates all around. Tungsten is a metal with the highest melting point and the highest tensile strength, making it a filament to make the bulb more durable.

Description : If tungsten jewelry is not stamped how do you know it is authentic?

Last Answer : If it is not stamped, then it is not authentic.

Description : A composite wire is prepared by joining a tungsten wire and steel wire end to end. Both the wires are of the same

Last Answer : A composite wire is prepared by joining a tungsten wire and steel wire end to end. Both the wires are of ... 1011 Pa, YTungsten = 4.11 1011 Pa]

Description : The tungsten filaments of two electric bulbs are of the same length. If one of them gives 25 W power and the other 60 W power, then

Last Answer : The tungsten filaments of two electric bulbs are of the same length. If one of them gives 25 ... D. Both the filaments have same cross-sectional area

Description : What is tungsten periodic letter?

Last Answer : Need answer

Description : What two properties of the metal tungsten that make it good material for the filament?

Last Answer : Magnesium and Titanium.

Description : How many protons neutrons electrons are in tungsten?

Last Answer : 74 protons, 74 electrons, and 110 neutrons

Description : Can tungsten dissolve?

Last Answer : can you dissolve tungsten

Description : Is there any way to dissolve tungsten?

Last Answer : Yes, tungsten is typically dissolved using hydrogenperoxide.

Description : Tungsten Rings?

Last Answer : A working man is hard on his hands, and any jewelry that may be on his fingers. Rings of softer precious metals are easily scratched or dented. For this reason, some innovative developments have ... Or simply look on line using your favorite search engine. Wear a ring that reflects your lifestyle.

Description : Which of the following is associated with the recent discovery of tungsten by the Geological Surveyor India? (a) Agucha in Rajasthan (b) Thar Desert in Rajasthan (c) Tuensang in Nagaland (d) Sirohi in Rajasthan

Last Answer : Ans: (d)

Description : Which of the following substances are found in the beach sands of many parts of Kerala? 1. Ilmenite 2. Zircon 3. Silimanite 4. Tungsten Select the correct answer using the code given below: [IAS 2006] (a) 1, 2, 3 and 4 (b) 1, 2 and 3 (c) 3 and 4 only (d) 1 and 2 only

Last Answer : Ans: (b)

Description : Heating element of an electric heater is made up of _____? A. Tungsten B. Graphite C. Chromium 26 D. Nichrome

Last Answer : ANSWER: D

Description : After long periods of use, a gray spot develops on the inside of a bulb. This is because of: A. The tungsten filament evaporates and collects there B. The heat of the bulb scorches the glass at the top C. Dust inside the bulb condenses on the top D. Glass undergoes a change due to the heat

Last Answer : ANSWER: A

Description : The heating element in an electric iron is made of (a) Nichrome (b) Tungsten (c) Copper (d) Iron

Last Answer : Ans:(a)

Description : Consider the following statements: 1. when an electric bulb is switched on, the resistance of its tungsten filament increases. 2. the resistance of pure metals increases on heating. Which of the above statements is/are correct? (a) Both 1 and 2 (b) only 1 (c) only 2 (d) Neither 1 nor 2

Last Answer : Ans:(a)

Description : Air is completely removed from an electric bulb to prevent (a) oxidation of tungsten filament (b) bursting of the bulb (c) loss of light due to absorption (d) none of these

Last Answer : Ans:(a)

Description : An electric bulb has a filament made of (a) Copper (b) Iron (c) Lead (d) Tungsten

Last Answer : Ans:(d)

Description : Which of the following would be most suitable for making an electromagnet? (a) Copper (b) Tungsten (c) Soft iron (d) Steel

Last Answer : Ans:(c)

Description : The element used in an electric filament is (a) Copper (b) Aluminium (c) Iron (d) Tungsten

Last Answer : Ans:(d)

Description : Tummalapalli in Andhra Pradesh has recently come on the world map for its largest (1) Uranium deposits (2) Tungsten deposits (3) Coal deposits (4) Bauxite ore deposits

Last Answer : (1) Uranium deposits Explanation: Tummalapalle Mine is a uranium mine in Tumalapalli village located in Kadapa of the Indian state of Andhra Pradesh. It has one of the largest reserves of uranium in the world.

Description : After long periods of use, a grey spot develops on the inside of a bulb. This is because – (1) the tungsten filament evaporates and collects there (2) the heat of the bulb scorches the glass at the top (3) dust inside the bulb condenses on the top (4) glass undergoes a change due to the heat

Last Answer : (3) dust inside the bulb condenses on the top Explanation: At high operating temperatures, tungsten evaporates from the filament and gradually forms a gray film on the inside of the bulb. The inert ... spot develops in the filament. When this happens, the filament will break and the bulb fails.

Description : The material used in electric heater is (1) Tungsten (2) Nichrome (3) Brass (4) Steel

Last Answer : (2) Nichrome Explanation: Due to its resistance to oxidation and stability at high temperatures, Nichrome is widely used in electic heating elements, such as in appliances and tools. Typically, ... in coils to a certain electrical resistance, and current is passed through it to produce heat.

Description : Which of the following metals is used for the manufacture of heating elements provided in electric iron? (1) Nickel (2) Chromium (3) Nichrome (4) Tungsten

Last Answer : (3) Nichrome Explanation: Nichrome is the most common domestic heating element and is found in many household products. Commonly, items such as toasters, hair dryers and heaters use nichrome coils to ... percent nickel and 20 percent chromium, and its high melting point of 1,400 degrees Celsius.

Description : The filament of electric bulb is made of (1) Iron (2) Nichrome (3) Tungsten (4) Graphite

Last Answer : (3) Tungsten Explanation: The filament is the part of the light bulb that produces light. Filaments in incandescent light bulbs are made of tungsten.

Description : Tungsten is used for the manufacture of the filament of an electric bulb, because – (1) It is a good conductor (2) It is economical (3) It is malleable (4) It has a very high melting point

Last Answer : (4) It has a very high melting point Explanation: Tungsten is used because it has the highest melting point of all the metallic elements. It melts at 3410 degrees Celsius. When current passes ... bulb. The first successful light bulb filaments were made of carbon (from carbonized paper or bamboo).

Description : The filament of electric bulb is made up of : (1) Copper (2) Nichrome (3) Lead (4) Tungsten

Last Answer : (4) Tungsten Explanation: An incandescent light bulb, incandescent lamp or incandescent light globe is an electric light which produces light with a filament wire heated to a high temperature by an electric ... through it, until it glows. Tungsten, also known as wolfram, is a chemical element.

Description : Most conducting materials such as copper, aluminum, iron, nickel, and tungsten _____________. A. increase in resistance with increased temperature B. increase in resistance with decreased ... C. decrease in resistance with increased temperature D. increase in conductance with increased temperature

Last Answer : Answer: A

Description : For the filament of electric bulb tungsten is used because

Last Answer : Its Melting point is very high

Description : Which of the following alloy steels is the most suitable for making gun barrels and projectiles? (A) Tungsten steel (B) Molybdenum steel (C) Nickel-chrome steel (D) Cobalt steel

Last Answer : (C) Nickel-chrome steel

Description : . Invar contains the highest percentage of (A) Vanadium (B) Iron (C) Tungsten (D) Cobalt

Last Answer : (B) Iron

Description : Residual magnetism in steel for magnets is increased by the addition of (A) Nickel (B) Cobalt (C) Tungsten (D) Chromium

Last Answer : (B) Cobalt

Description : Addition of tungsten to steel imparts (A) Magnetic properties (B) Cutting hardness (C) Corrosion resistance (D) Ductility

Last Answer : (B) Cutting hardness