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

The “King of Metals” is : (1) Gold (2) Silver (3) Iron (4) Aluminium
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(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 is the most classic and coveted jewelry metal of all. It is also the oldest precious met-al known to man.
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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 : Gold

Bauxite is an alloy of which of the following metals? (1) Aluminium (2) Silver (3) Tin (4) Iron

Description : Bauxite is an alloy of which of the following metals? (1) Aluminium (2) Silver (3) Tin (4) Iron

Last Answer : (1) Aluminium Explanation: Bauxite is an aluminium ore and is the main source of aluminium. This form of rock consists mostly of the minerals gibbsite Al(OH)3, boehmite, and diaspore, in a ... the two iron oxides goethite and hematite, the clay mineral kaolinite, and small amounts of anatase TiO2.

Bauxite is an alloy of which of the following metals ? (1) Aluminium (2) Silver (3) Tin (4) Iron

Description : Bauxite is an alloy of which of the following metals ? (1) Aluminium (2) Silver (3) Tin (4) Iron 

Last Answer : Aluminium

Which °fine metals has the maximum thermal conductivity? (1) Iron (2) Aluminium (3) Silver (4) Copper

Description : Which °fine metals has the maximum thermal conductivity? (1) Iron (2) Aluminium (3) Silver (4) Copper

Last Answer : (3) Silver Explanation: Silver has the best thermal conductivity of 429 W/mK at RT (295K). It is followed by copper, gold and aluminium. Metals generally have very good electrical conductivity, that leads to high thermal conductivity.

Which of the metals has the maximum thermal conductivity? (1) Iron (2) Aluminium (3) Silver (4) Copper

Description : Which of the metals has the maximum thermal conductivity? (1) Iron (2) Aluminium (3) Silver (4) Copper

Last Answer : Silver

Which of the following metals does NOT react with oxygen even at a high temperature? (1) Aluminium (2) Silver (3) Lead (4) line

Description : Which of the following metals does NOT react with oxygen even at a high temperature? (1) Aluminium (2) Silver (3) Lead (4) line

Last Answer : (2) Silver Explanation: Silver and gold do not react with oxygen even at high temperatures as they are less reactive and are placed below the reactivity series.

Which among the following metals provides amphoteric oxide? (1) Sodium (2) Silver (3) Aluminium (4) Calcium

Description : Which among the following metals provides amphoteric oxide? (1) Sodium (2) Silver (3) Aluminium (4) Calcium

Last Answer : (3) Aluminium Explanation: In chemistry, an amphoteric species is a molecule or ion that can react as an acid as well as a base. Many metals (such as zinc, tin, lead, aluminium, and ... and proteins, which have amine and carboxylic acid groups, and selfionizable compounds such as water and ammonia.

Which among the following metals provides amphoteric oxide ? (1) Sodium (2) Silver (3) Aluminium (4) Calcium

Description : Which among the following metals provides amphoteric oxide ? (1) Sodium (2) Silver (3) Aluminium (4) Calcium

Last Answer : Aluminium

Which one of the following metals occurs in nature in free state? (1) Gold (2) Sodium (3) Aluminium (4) Copper

Description : Which one of the following metals occurs in nature in free state? (1) Gold (2) Sodium (3) Aluminium (4) Copper

Last Answer : (1) Gold Explanation: Gold is found on every continent on Earth, except Antarctica. The largest amounts of gold on Earth are found in the oceans - but it is not yet feasible to extract gold from seawater.

Which of the following cannot be beaten into Sheets? (1) Gold (2) Silver (3) Potassium (4) Aluminium

Description : Which of the following cannot be beaten into Sheets? (1) Gold (2) Silver (3) Potassium (4) Aluminium

Last Answer : (3) Potassium Explanation: Substances that can be beaten into thin sheets are called malleable. Most metals are malleable.

Which of the following metals has least, melting point? (1) Gold (2) Silver (3) Mercury (4) Copper

Description : Which of the following metals has least, melting point? (1) Gold (2) Silver (3) Mercury (4) Copper

Last Answer : (3) Mercury Explanation: The melting point of the given metals (in Celsius) are:- Gold: 1063; Silver: 961; Copper: 1083; Mercury: 38.86. Mercury is the only elemental metal known to melt at a generally cold temperature.

Which of the following metals is least subject to oxidation? w) silver x) gold y) magnesium z) nickel

Description : Which of the following metals is least subject to oxidation? w) silver x) gold y) magnesium z) nickel

Last Answer : ANSWER: X -- GOLD

Which one of the following metals is immune to corrosion by air, water, hydrochloric acid and nitric acid; but is soluble in aqua regia? w) gold x) silver y) magnesium z) nickel

Description : Which one of the following metals is immune to corrosion by air, water, hydrochloric acid and nitric acid; but is soluble in aqua regia? w) gold x) silver y) magnesium z) nickel

Last Answer : ANSWER: W -- GOLD

Which of the following metals has least melting point ? (1) Gold (2) Silver (3) Mercury (4) Copper

Description : Which of the following metals has least melting point ? (1) Gold (2) Silver (3) Mercury (4) Copper

Last Answer : Mercury

Ruby is an oxide of-----? A. silver B. gold C. platinum D. aluminium oxide (Answer)

Description : Ruby is an oxide of-----? A. silver B. gold C. platinum D. aluminium oxide (Answer)

Last Answer : D. aluminium oxide (Answer)

Which of the following materials does not form adherent oxide film on surface? (A) Copper (B) Nickel (C) Aluminium (D) Gold & silver

Description : Which of the following materials does not form adherent oxide film on surface? (A) Copper (B) Nickel (C) Aluminium (D) Gold & silver

Last Answer : (D) Gold & silver

Presently most used metal in the world (a) Aluminium (b) Gold (c) Steel (d) Silver

Description : Presently most used metal in the world (a) Aluminium (b) Gold (c) Steel (d) Silver

Last Answer : (c) Steel 

Bauxite is used as raw material by which industry? (1) Aluminium (2) Iron (3) Steel (4) Gold

Description : Bauxite is used as raw material by which industry? (1) Aluminium (2) Iron (3) Steel (4) Gold

Last Answer : (1) Aluminium Explanation: Bauxite is the principal ore of aluminium. Bauxite is not a mineral. It is a rock formed from a laterite soil that has been severely leached of silica and other soluble materials in a wet tropical or subtropical climate.

Bauxite is used as raw material by which industry? (1) Aluminium (2) Iron (3) Steel (4) Gold

Description : Bauxite is used as raw material by which industry? (1) Aluminium (2) Iron (3) Steel (4) Gold

Last Answer : (1) Aluminium Explanation: Bauxite is the principal ore of aluminium. Bauxite is not a mineral. It is a rock formed from a laterite soil that has been severely leached of silica and ... materials in a wet tropical or subtropical climate. Aluminium is extracted from bauxite using the Bayer process.

Bauxite is used as raw material by which industry ? (1) Aluminium (2) Iron (3) Steel (4) Gold

Description : Bauxite is used as raw material by which industry ? (1) Aluminium (2) Iron (3) Steel (4) Gold 

Last Answer : Aluminium

Metals like gold and silver were used to make …………… and …………. -Social Science

Description : Metals like gold and silver were used to make …………… and …………. -Social Science

Last Answer : Ornaments and jwellery

A market established for the buying and selling of precious metals such as Gold and Silver is termed as ________ A. Bullion Market B. Capital Market C. Money Market D. All of the Above E. None of the Above

Description : A market established for the buying and selling of precious metals such as Gold and Silver is termed as ________ A. Bullion Market B. Capital Market C. Money Market D. All of the Above E. None of the Above

Last Answer : A. Bullion Market Explanation: A market established for the buying and selling of precious metals such as Gold and Silver is termed as Bullion Market.

Which of the following metals can deposit copper from copper sulphate solution? (1) platinum (2) Mercury (3) Iron (4) Gold

Description : Which of the following metals can deposit copper from copper sulphate solution? (1) platinum (2) Mercury (3) Iron (4) Gold

Last Answer : (3) Iron Explanation: The iron displaces copper from its salt, to make iron sulfate solution and deposit a thin coating of metallic copper on the surface of the metal. In general, any metal higher than copper in the "electromotive series" will displace copper from copper sulfate solution.

Which of the following metals can deposit copper from copper sulphate solution ? (1) Platinum (2) Mercury (3) Iron (4) Gold

Description : Which of the following metals can deposit copper from copper sulphate solution ? (1) Platinum (2) Mercury (3) Iron (4) Gold 

Last Answer : Iron

Which is the heaviest metal among the following? (1) Gold (2) Silver (3) Iron (4) Copper

Description : Which is the heaviest metal among the following? (1) Gold (2) Silver (3) Iron (4) Copper

Last Answer : (1) Gold Explanation: The heaviness of any metal is defined with reference to high densities, atomic weights, or atomic numbers. The atomic masses of the given elements are: Gold: 196.96654; Silver: 107.8682 ... .546; Iron: 55.847. So the heaviest metal is gold, followed by silver, copper and iron.

Which is the heaviest metal among the following? (1) Gold (2) Silver (3) Iron (4) Copper

Description : Which is the heaviest metal among the following? (1) Gold (2) Silver (3) Iron (4) Copper

Last Answer : Gold

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

Once upon a time there was a beautiful princess named Anna. Anna's father, the King, wanted to be sure his daughter married an intelligent man. To test his daughter's suitors the King hid Anna's picture in one of three boxes. The suitor had to be able to select the box with Anna's picture on one try and within twenty seconds. On the gold box was the message 'Anna's picture is in this box'. The silver box had the message 'Anna's picture is not in this box.' 'Anna's picture is not in the gold box' was written on the bronze box. The King would tell each suitor 'Only one of the three messages is correct.' Which box contained Anna's picture? -Riddles

Description : Once upon a time there was a beautiful princess named Anna. Anna's father, the King, wanted to be sure his daughter married an intelligent man. To test his daughter's suitors the King hid Anna's ... each suitor 'Only one of the three messages is correct.' Which box contained Anna's picture? -Riddles

Last Answer : The silver box contained Anna's picture. If her picture had been in the gold box, two statements would have been true. (The messages on both the gold box and the silver box.) If her picture had ... bronze box, two statements would have been true. (The messages on the bronze box and the silver box.)

The best conductor of electricity among the following is : (1) Copper (2) Iron (3) Aluminium (4) Silver

Description : The best conductor of electricity among the following is : (1) Copper (2) Iron (3) Aluminium (4) Silver

Last Answer : (4) Silver Explanation: Copper: 9% less conductive than silver; aluminium is 10% less conductive than copper; while steel is the least conductive among the given options. The most electrically conductive metal is silver.

Which metal is protected by the layer of its own oxide? (A) Iron (B) Silver (C) Calcium (D) Aluminium

Description : Which metal is protected by the layer of its own oxide? (A) Iron (B) Silver (C) Calcium (D) Aluminium

Last Answer : (D) Aluminium

The most malleable, ductile low resistivity material is (A) Copper. (B) Aluminium. (C) Silver. (D) Iron.

Description : The most malleable, ductile low resistivity material is (A) Copper. (B) Aluminium. (C) Silver. (D) Iron.

Last Answer : (C) Silver.

First metal known to be used by man (a) Iron (b) Bronze (c) Silver (d) Aluminium

Description : First metal known to be used by man (a) Iron (b) Bronze (c) Silver (d) Aluminium 

Last Answer : (b) Bronze

The best conductor of electricity among the following is : (1) Copper (2) Iron (3) Aluminium (4) Silver

Description : The best conductor of electricity among the following is : (1) Copper (2) Iron (3) Aluminium (4) Silver

Last Answer : Silver

What is mainly obtained from bauxite? (a) Copper (b) Aluminium (c) Iron (d) Gold

Description : What is mainly obtained from bauxite? (a) Copper (b) Aluminium (c) Iron (d) Gold

Last Answer : Ans:(b)

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

Classify the following materials as metals and non-metals : Hydrogen, Sulphur, Selenium, Manganese, Calcium, Platinum, Gold, Silica, Polyester, Wood, Glass, Iron

Description : Classify the following materials as metals and non-metals : Hydrogen, Sulphur, Selenium, Manganese, Calcium, Platinum, Gold, Silica, Polyester, Wood, Glass, Iron 

Last Answer : Metals: calcium , manganese, platinum, gold , iron Non- metals: hydrogen, Sulphur, silica, polyester, wood, glass, selenium

What are Iron silver and gold are all examples of?

Description : What are Iron silver and gold are all examples of?

Last Answer : Need answer

Hemoglobin in the blood is a complex protein rich in A. Copper B. Iron C. Silver D. Gold

Description : Hemoglobin in the blood is a complex protein rich in A. Copper B. Iron C. Silver D. Gold

Last Answer : ANSWER: B

The most malleable metal is (a) Platinum (b) Silver (c) Iron (d) Gold

Description : The most malleable metal is (a) Platinum (b) Silver (c) Iron (d) Gold

Last Answer : Ans:(d)

"Parma" is an important place in Madhya Pradesh. It is famous for – (1) Gold mines (2) Silver mines (3) Diamond mines (4) Iron mines

Description : "Parma" is an important place in Madhya Pradesh. It is famous for – (1) Gold mines (2) Silver mines (3) Diamond mines (4) Iron mines

Last Answer : (3) Diamond mines Explanation: Panna is famous for its diamond mines. A large group of diamond deposits extends North-East on a branch of the Vindhya Range for 240 km or so, and ... under the Diamond Mining Project of National Mineral Development Corporation (NMDC Ltd) of Government of India.

Haemoglobin in the blood is a complex protein rich in - (1) Iron (2) Silver (3) Copper (4) Gold

Description : Haemoglobin in the blood is a complex protein rich in - (1) Iron (2) Silver (3) Copper (4) Gold

Last Answer : (1) Iron Explanation: Hemoglobin is the ironcontaining oxygen-transport metalloprotein in the red blood cells of all vertebrates. Iron is an essential part of hemoglobin. When iron stores are low, both hemoglobin and red blood cell production slows, causing anemia.

The most malleable metal is - (1) platinum (2) silver (3) gold (4) iron

Description : The most malleable metal is - (1) platinum (2) silver (3) gold (4) iron

Last Answer : (3) gold Explanation: Gold is the most malleable of all metals; a single gram can be beaten into a sheet of 1 square meter, and an ounce into 300 square feet.

The best conductors of heat are A) Silver and Copper B) Lead and Mercury C) Iron and Tin D) Gold and Platinum

Description : The best conductors of heat are A) Silver and Copper B) Lead and Mercury C) Iron and Tin D) Gold and Platinum

Last Answer : A) Silver and Copper

Which metal is causing for Minamata disease - a) Iron b) Mercury c) Gold d) Silver

Description : Which metal is causing for Minamata disease - a) Iron b) Mercury c) Gold d) Silver

Last Answer : b) Mercury

Haemoglobin in the blood is a complex protein rich in (1) Iron (2) Silver (3) Copper (4) Gold

Description : Haemoglobin in the blood is a complex protein rich in (1) Iron (2) Silver (3) Copper (4) Gold

Last Answer : Iron

In silvery paints, the main constituent present is - (1) Aluminium powder (2) Silver powder (3) Lead powder (4) White lead

Description : In silvery paints, the main constituent present is - (1) Aluminium powder (2) Silver powder (3) Lead powder (4) White lead

Last Answer : (1) Aluminium powder Explanation: In silvery paints, the main constituent is aluminium powder.

Which of the following is NOT malleable? (1) Graphite (2) Aluminium (3) Copper (4) Silver

Description : Which of the following is NOT malleable? (1) Graphite (2) Aluminium (3) Copper (4) Silver

Last Answer : (1) Graphite Explanation: Graphite is soft thanks to Van derWalls forces between to sheets of carbon atoms.

German silver used for making utensils is an alloy of – (1) Copper, silver, nickel (2) Copper, zinc, nickel (3) copper, zinc, aluminium (4) copper, nickel, aluminium

Description : German silver used for making utensils is an alloy of – (1) Copper, silver, nickel (2) Copper, zinc, nickel (3) copper, zinc, aluminium (4) copper, nickel, aluminium

Last Answer : (2) Copper, zinc, nickel Explanation: Nickel silver, also known as German silver, Argentan, new silver, nickel brass, albata, alpacca, or electrum, is a copper alloy with nickel and often ... to its development by 19th-century German metalworkers in imitation of the Chinese alloy known as paktong.

German silver is an alloy of - (1) copper, nickel and silver (2) silver, copper and aluminium (3) zinc, copper and nickel (4) silver, zinc and copper

Description : German silver is an alloy of - (1) copper, nickel and silver (2) silver, copper and aluminium (3) zinc, copper and nickel (4) silver, zinc and copper

Last Answer : (3) zinc, copper and nickel Explanation: German silver is a copper alloy with nickel and often zinc. The usual formulation is 60% copper, 20% nickel and 20% zinc.

Which of the following chemicals is used in photography? (1) Aluminium hydroxide (2) Silver bromide (3) Potassium nitrate (4) Sodium chloride

Description : Which of the following chemicals is used in photography? (1) Aluminium hydroxide (2) Silver bromide (3) Potassium nitrate (4) Sodium chloride

Last Answer : (2) Silver bromide Explanation: Silver bromide (AOBr), a soil , pale-yellow, water insoluble salt well known (along with other silver hali(les) for its unusual sensitivity to light:. This ... making the Shroud of Turin. The salt can be found naturally as the mineral bromargyrite (bromyrite).