The metal known as King of metals?

The metal known as King of metals?
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Gold
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The “King of Metals” is : (1) Gold (2) Silver (3) Iron (4) Aluminium

Description : The “King of Metals” is : (1) Gold (2) Silver (3) Iron (4) Aluminium

Last Answer : (1) Gold Explanation: Gold, which is not only the most valuable of metals, but also is without its peer in freedom from alloy, is known as the king of metals. Luxurious, classy and beautiful, gold ... most classic and coveted jewelry metal of all. It is also the oldest precious met-al known to man.

The “King of Metals” is : (1) Gold (2) Silver (3) Iron (4) Aluminium

Description : The “King of Metals” is : (1) Gold (2) Silver (3) Iron (4) Aluminium

Last Answer : Gold

Consider the following statements: 1. Mercury metal exists as a liquid at room temperature. 2. The property of metals by which they can be beaten into thin sheets is called malleability 3. Neutral fats such as butter and vegetable oils are mostly triglycerides. 4. The size of an atom is of the order of 10 - 15 m. The correct statements are: (a) 1, 2 and 4 only (b) 1, 3 and 4 only (c) 2, 3 and 4 only (d) 1, 2 and 3 only

Description : Consider the following statements: 1. Mercury metal exists as a liquid at room temperature. 2. The property of metals by which they can be beaten into thin sheets is called malleability 3. Neutral fats such as butter and vegetable oils ... b) 1, 3 and 4 only (c) 2, 3 and 4 only (d) 1, 2 and 3 only

Last Answer : Ans:(d)

Which of the following statements about the physical properties of metal is not correct? (a) All metals are solid except mercury (b) Most metals are hard except sodium and potassium (c) Metals are not malleable (d) Most metals are ductile

Description : Which of the following statements about the physical properties of metal is not correct? (a) All metals are solid except mercury (b) Most metals are hard except sodium and potassium (c) Metals are not malleable (d) Most metals are ductile

Last Answer : Ans:(c)

Give reason: a) Metals are electropositive. b) Non-metals are electronegative. c) Even though hydrogen is a non-metal, it is electropositive. d) Sodium is electropositive.

Description : Give reason: a) Metals are electropositive. b) Non-metals are electronegative. c) Even though hydrogen is a non-metal, it is electropositive. d) Sodium is electropositive.

Last Answer : a) Metals are electropositive. Electropositive element has the tendency to lose electrons and form cation.Metals are electron donors. Hence they are electropositive. b) Non-metals are ... is electropositive because donates electrons from last orbit to another element and becomes electropositive.

Give reason: Even though silicon is a non-metal it resembles metals in its properties.

Description : Give reason: Even though silicon is a non-metal it resembles metals in its properties.

Last Answer : When red hot silicon reacts with steam, it liberates hydrogen. Even when metals like hot iron, zinc or magnesium react with steam, they liberate hydrogen with their respective metal oxides. Hence silicon resembles metals in some properties.

During neutralization reaction acids react with ........to form ........and water. (a) Metals ,Gas (b) Bases, Salt (c) Non-Metal , Salt (d)Acids ,Salts

Description : During neutralization reaction acids react with ........to form ........and water. (a) Metals ,Gas (b) Bases, Salt (c) Non-Metal , Salt (d)Acids ,Salts

Last Answer : (b) Bases, Salt

Why does metal make a sound when hammered and non-metals not?

Description : Why does metal make a sound when hammered and non-metals not?

Last Answer : Everything makes a sound when hit. Rigid things tend to make more sound because the vibration propagates over the whole shape quickly because the rigid thing is held tightly, so instead of just giving ... -lasting sound at one frequency. Metal is a rigid thing because of its structure. See above.

Which pair of metals constitutes the lightest metal and the heaviest metal, respectively? -Do You Know?

Description : Which pair of metals constitutes the lightest metal and the heaviest metal, respectively? -Do You Know?

Last Answer : answer:

What is a weak metal ? What are weak metals ?

Description : What is a weak metal ? What are weak metals ?

Last Answer : Metals which are less active than other active metals are called weak metals. If you want to know the details, you can see the metal activity standard in the table.

Refining process of impure metals depends upon the differences in properties of the metal. Extraction of Al is usually carried out from its bauxite or

Description : Refining process of impure metals depends upon the differences in properties of the metal. Extraction of Al is usually carried out from its bauxite or

Last Answer : Refining process of impure metals depends upon the differences in properties of the metal. ... . leaching C. liquation D. magnetic seperation

Refining process of impure metals depends upon the differences in properties of the metal. Extraction of Al is usually carried out from its bauxite or

Description : Refining process of impure metals depends upon the differences in properties of the metal. Extraction of Al is usually carried out from its bauxite or

Last Answer : Refining process of impure metals depends upon the differences in properties of the metal. Extraction of Al is usually ... A D. I-D,II-A,III-C,IV-B

Statement-1: Carbon is not used as a reducing agent for the extraction of group 2 metals. Statement-2: Carbon reacts with group 2 metal to give carbid

Description : Statement-1: Carbon is not used as a reducing agent for the extraction of group 2 metals. Statement-2: Carbon reacts with group 2 metal to give carbid

Last Answer : Statement-1: Carbon is not used as a reducing agent for the extraction of group 2 metals. Statement ... Statement-1 is false but Statement -2 is true

Metals of high purity are obtained by zone refining. Impurities are more soluble in melt in pure metal.

Description : Metals of high purity are obtained by zone refining. Impurities are more soluble in melt in pure metal.

Last Answer : Metals of high purity are obtained by zone refining. Impurities are more soluble in melt in pure ... Statement-1 is false but Statement -2 is true

Van Arkel method of purification of metals involves converting the metal to

Description : Van Arkel method of purification of metals involves converting the metal to

Last Answer : Van Arkel method of purification of metals involves converting the metal to A. Volatile ... stable compound D. non-volatile unstable compound

One of the following metals froms a volatile corbony1 compound and this property is taken advantage of its extraction. This metal is

Description : One of the following metals froms a volatile corbony1 compound and this property is taken advantage of its extraction. This metal is

Last Answer : One of the following metals froms a volatile corbony1 compound and this property is taken advantage of its ... . Nickel B. Iron C. Cobalt D. Vanadium

Van Arkel method of purification of metals involves converting the metal to

Description : Van Arkel method of purification of metals involves converting the metal to

Last Answer : Van Arkel method of purification of metals involves converting the metal to A. Volatile stable ... . Volatile unstable compound D. None of these

Can precious metals be found outdoors using metal detectors.?

Description : Can precious metals be found outdoors using metal detectors.?

Last Answer : I have researched this topic and found that you can indeed find precious metals when using a metal detector. These metal detectors will detect items such as silver, iron, metal, gold and platinum.

(1) they contain free electrons Explanation: Metals typically consist of closepacked atoms, meaning that the atoms are arranged like closely packed spheres. Two packing motifs are common, one being bodycentered cubic wherein each metal atom is surrounded by eight equivalent atoms. The other main motif is face-centered cubic where the metal atoms are surrounded by six neighboring atoms. Several metals adopt both structures, depending on the temperature.

Description : (1) they contain free electrons Explanation: Metals typically consist of closepacked atoms, meaning that the atoms are arranged like closely packed spheres. Two packing motifs are common, one ... surrounded by six neighboring atoms. Several metals adopt both structures, depending on the temperature.

Last Answer : Helium gas is filled in ballons because (1) its atomic number is 2 (2) it is lighter than air (3) it is one of the constitutents of water (4) it is a noble gas

Which of the following metal forms amalgam with other metals?

Description : Which of the following metal forms amalgam with other metals?

Last Answer : Mercury

Which pair of metals constitutes the lightest metal and the heaviest metal, respectively?

Description : Which pair of metals constitutes the lightest metal and the heaviest metal, respectively?

Last Answer : Lithium and osmium

Which of the following is universally employed as the low expansion metal in the bimetallic thermometer, which is an iron-nickel alloy containing 36% nickel and has very low co-efficient of expansion (1/20th of ordinary metals) ? (A) Invar (B) Constantan (C) Chromel (D) Alumel

Description : Which of the following is universally employed as the low expansion metal in the bimetallic thermometer, which is an iron-nickel alloy containing 36% nickel and has very low co-efficient of expansion (1/20th of ordinary metals) ? (A) Invar (B) Constantan (C) Chromel (D) Alumel

Last Answer : (A) Invar

Which of the following metals in not used for coating of the base metal to guard it against corrosion? (A) Lead (B) Cadmium (C) Magnesium (D) Aluminium

Description : Which of the following metals in not used for coating of the base metal to guard it against corrosion? (A) Lead (B) Cadmium (C) Magnesium (D) Aluminium

Last Answer : (C) Magnesium

Pick out the wrong statement about coating/electroplating of metals. (A) Phosphate coating is used as an excellent base for paints & enamels (B) Phosphate coating is less corrosion resistant than chromate coating (C) The base metal to be electroplated is normally made the cathode of the electrolytic cell and coating metal is made the anode (D) Calorising is the process of coating steel with chromium

Description : Pick out the wrong statement about coating/electroplating of metals. (A) Phosphate coating is used as an excellent base for paints & enamels (B) Phosphate coating is less corrosion resistant than ... coating metal is made the anode (D) Calorising is the process of coating steel with chromium

Last Answer : (D) Calorising is the process of coating steel with chromium

Brazing filler metal used for joining steel plates (A) Melts below the melting points of base metals (B) Melts below 300°C (C) Is copper phosphorous alloy

Description : Brazing filler metal used for joining steel plates (A) Melts below the melting points of base metals (B) Melts below 300°C (C) Is copper phosphorous alloy

Last Answer : (A) Melts below the melting points of base metals

Electrometallurgical methods of metal extraction is normally used for those metals (A) Whose oxide/ore is not reduced by carbon (B) Which fall in the category of alkali & alkaline earth metals (C) Which stands higher in the electrochemical series of the metal (D) All (A), (B) & (C)

Description : Electrometallurgical methods of metal extraction is normally used for those metals (A) Whose oxide/ore is not reduced by carbon (B) Which fall in the category of alkali & alkaline earth metals (C) Which stands higher in the electrochemical series of the metal (D) All (A), (B) & (C)

Last Answer : (D) All (A), (B) & (C)

With increase in impurities in metals, their corrosion resistances (A) Increase (B) Decrease (C) Remain same (D) May increase or decrease; depending on the type of metal

Description : With increase in impurities in metals, their corrosion resistances (A) Increase (B) Decrease (C) Remain same (D) May increase or decrease; depending on the type of metal

Last Answer : (B) Decrease

In connection with corrosion of metals, passivation is the process that (A) Intensifies deterioration (B) Changes the composition of the metal (C) Inhibits further deterioration (D) None of these

Description : In connection with corrosion of metals, passivation is the process that (A) Intensifies deterioration (B) Changes the composition of the metal (C) Inhibits further deterioration (D) None of these

Last Answer : (C) Inhibits further deterioration

Brazing is the joining of metals (A) Without melting the base metal (B) With a non-ferrous filler (C) Both (A) & (B) (D) Neither (A) nor (B)

Description : Brazing is the joining of metals (A) Without melting the base metal (B) With a non-ferrous filler (C) Both (A) & (B) (D) Neither (A) nor (B)

Last Answer : Option C

Pick out the wrong statement. (A) Copper is the metal having the highest electronic conductivity (B) Hardenability & Weldability of metals are inversely related (C) Covalent bonding formed by sharing of electrons is present in all semiconductor materials (D) Glass transition temperature applies to 'polymers' but not to 'glasses'

Description : Pick out the wrong statement. (A) Copper is the metal having the highest electronic conductivity (B) Hardenability & Weldability of metals are inversely related (C) Covalent bonding formed by ... all semiconductor materials (D) Glass transition temperature applies to 'polymers' but not to 'glasses'

Last Answer : Option A

Pick out the wrong statement about the machinability of metals. Machinability of a metal (A) Decreases with increase in strain hardening tendencies (B) Decreases with increase in hardness, in general (C) Depend on the composition, microstructure and physical & mechanical

Description : Pick out the wrong statement about the machinability of metals. Machinability of a metal (A) Decreases with increase in strain hardening tendencies (B) Decreases with increase in hardness, in general (C) Depend on the composition, microstructure and physical & mechanical

Last Answer : Option C

Metals are generally hard, which of the following metal is an exception and can be cut with a knife? a) iron b)sodium c)gold d)magnesium

Description : Metals are generally hard, which of the following metal is an exception and can be cut with a knife? a) iron b)sodium c)gold d)magnesium

Last Answer : b)sodium

Rohan had learnt that non-metals on beating with hammer are generally broken into pieces. Which of the following is a non-metal? a) iron nail b)aluminium wire c)copper wire d)piece of coal

Description : Rohan had learnt that non-metals on beating with hammer are generally broken into pieces. Which of the following is a non-metal? a) iron nail b)aluminium wire c)copper wire d)piece of coal

Last Answer : d)piece of coal

In which of the following welding methods, the molten metal is poured for joining the metals ?

Description : In which of the following welding methods, the molten metal is poured for joining the metals ?   (a) Gas welding (b) Thermit welding (c) TIG welding (d) Arc welding 

Last Answer : In which of the following welding methods, the molten metal is poured for joining the metals ?   (a) Gas welding (b) Thermit welding (c) TIG welding (d) Arc welding 

“King of metal” is?

Description : “King of metal” is?

Last Answer : Gold

The King of metal is

Description : The King of metal is

Last Answer : Gold

The King of metal is

Description : The King of metal is

Last Answer : Gold