Chemically ‘Quick Silver is known as (1) Mercury (2) Silver (3) Gold (4) Copper

Chemically ‘Quick Silver is known as (1) Mercury (2) Silver (3) Gold (4) Copper
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Chemically 'Quick Silver’ is known as (1) Mercury (2) Silver (3) Gold (4) Copper

Description : Chemically 'Quick Silver’ is known as (1) Mercury (2) Silver (3) Gold (4) Copper

Last Answer : (1) Mercury Explanation: Quicksilver is an alternative name for the element mercury. A heavy, silvery dblock element, mercury is the only metal that is liquid at standard conditions for temperature ... is bromine, though metals such as caesium, gallium, and rubidium melt just above room temperature.

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 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

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

Mercury is also known as-----? A. Shine Silver B. Quick Silver (Answer)

Description : Mercury is also known as-----? A. Shine Silver B. Quick Silver (Answer)

Last Answer : B. Quick Silver (Answer)

A COPPER strip is placed in one compartment of a voltaic cell and a wire connects this strip to a piece of metal in the other compartment through a voltmeter. If the voltmeter reads zero, the other piece of metal is: w) zinc x) mercury y) silver z) copper

Description : A COPPER strip is placed in one compartment of a voltaic cell and a wire connects this strip to a piece of metal in the other compartment through a voltmeter. If the voltmeter reads zero, the other piece of metal is: w) zinc x) mercury y) silver z) copper

Last Answer : ANSWER: Z -- COPPER

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.

Among the following, which is always found in free-state in nature? (1) Gold (2) Silver (3) Sodium (4) Copper

Description : Among the following, which is always found in free-state in nature? (1) Gold (2) Silver (3) Sodium (4) Copper

Last Answer : (1) Gold Explanation: Gold is the least reactive in the reactivity series. Since it does not react with other elements, it is found in a free form. Only gold, silver, copper and the ... occur in nature in larger amounts. Nonmetallic elements occurring in the native state include carbon and sulfur.

A metal that does NOT occur native in the earth is w) copper x) gold y) sodium z) silver

Description : A metal that does NOT occur native in the earth is w) copper x) gold y) sodium z) silver

Last Answer : ANSWER: Y -- SODIUM 

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

Among the following, which is always found in free-state in nature? (1) Gold (2) Silver (3) Sodium (4) Copper

Description : Among the following, which is always found in free-state in nature? (1) Gold (2) Silver (3) Sodium (4) Copper

Last Answer : Gold

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

Heavy metals, such as____work by _____‗‗ a. Mercury; Disrupting Membranes b. Copper; Producing Toxins c. Iodine; Denaturing Proteins d. Silver; Binding Protein Molecules Together

Description : Heavy metals, such as____work by _____‗‗ a. Mercury; Disrupting Membranes b. Copper; Producing Toxins c. Iodine; Denaturing Proteins d. Silver; Binding Protein Molecules Together

Last Answer : d. Silver; Binding Protein Molecules Together

What is correct in regard to high copper amalgam, A. Reacts and strengthens the amalgam by its dispersion properties B. Reacts to form copper-tin phase thereby eliminating the tin-mercury phase C. Reacts to form copper-silver phase thereby eliminating the silver mercury phase D. Reacts and strengthens the amalgam by its grain diffusion

Description : What is correct in regard to high copper amalgam, A. Reacts and strengthens the amalgam by its dispersion properties B. Reacts to form copper-tin phase thereby eliminating the tin-mercury ... thereby eliminating the silver mercury phase D. Reacts and strengthens the amalgam by its grain diffusion

Last Answer : B. Reacts to form copper-tin phase thereby eliminating the tin-mercury phase

Choose a statement that correctly defines the term AMALGAM: A. Amalgam is a metallic powder composed of silver, tin, copper and zinc B. Amalgam is an alloy of two or more metals that have been dissolved in each other in the molten state. C. Amalgam is an alloy of two or more metals, one of them is mercury D. Amalgam is a metallic substance in powder or tablet from that is mixed with mercury E. Amalgam is an alloy of two or more metals, one of them is tin

Description : Choose a statement that correctly defines the term AMALGAM: A. Amalgam is a metallic powder composed of silver, tin, copper and zinc B. Amalgam is an alloy of two or more metals that have been dissolved in ... is mixed with mercury E. Amalgam is an alloy of two or more metals, one of them is tin

Last Answer : C. Amalgam is an alloy of two or more metals, one of them is mercury

__________ metal is liquid at room temperature . a) mercury b)iron c)copper d)silver

Description : __________ metal is liquid at room temperature . a) mercury b)iron c)copper d)silver

Last Answer : a) mercury

The deposits of copper, gold and silver have been discovered at _____. A. Dakhni B. Saindak C. Dadhak D. Aghari

Description : The deposits of copper, gold and silver have been discovered at _____. A. Dakhni B. Saindak C. Dadhak D. Aghari

Last Answer : ANSWER: B

The deposits of copper, gold and silver have been discovered at _____. A. Dakhni B. Saindak C. Dadhak D. Aghari

Description : The deposits of copper, gold and silver have been discovered at _____. A. Dakhni B. Saindak C. Dadhak D. Aghari

Last Answer : ANSWER: B

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

Which of the following is always found in a free state in nature? (a) Gold (b) Silver (c) Sodium (d) Copper

Description : Which of the following is always found in a free state in nature? (a) Gold (b) Silver (c) Sodium (d) Copper

Last Answer : Ans:(a)

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.

Which of the following is the best conductor of electricity? (1) Zinc (2) Copper (3) Gold (4) Silver

Description : Which of the following is the best conductor of electricity? (1) Zinc (2) Copper (3) Gold (4) Silver

Last Answer : (4) Silver Explanation: Copper and Silver Are Most Common. Silver is the best conductor of electricity because it contains a higher number of movable atoms (free electrons).

Which of the following materials is a good electrical insulator? A. wood B. silver C. copper D. gold

Description : Which of the following materials is a good electrical insulator? A. wood B. silver C. copper D. gold

Last Answer : Answer: A

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

German silver is an alloy of (A) Zinc, lead and nickel (B) Silver, gold and lead (C) Copper, nickel and zinc (D) Copper, brass and zinc

Description : German silver is an alloy of (A) Zinc, lead and nickel (B) Silver, gold and lead (C) Copper, nickel and zinc (D) Copper, brass and zinc

Last Answer : Answer: Option C

The resistivity of ..... decreases with the increase in temp. a. gold b. silver c. copper d. silicon

Description : The resistivity of ..... decreases with the increase in temp. a. gold b. silver c. copper d. silicon

Last Answer : d. silicon

Example of high resistivity material is (A) Nichrome (B) Silver (C) Gold (D) Copper

Description : Example of high resistivity material is (A) Nichrome (B) Silver (C) Gold (D) Copper

Last Answer : (A) Nichrome

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

Epsom salt is chemically known as-----? A. Copper Sulfate B. Magnesium Sulfate (Answer) C. Ferrous Sulfate D. None of these

Description : Epsom salt is chemically known as-----? A. Copper Sulfate B. Magnesium Sulfate (Answer) C. Ferrous Sulfate D. None of these

Last Answer : B. Magnesium Sulfate (Answer)

Hypo, used in photography, is chemically (a) silver bromide (b) sodium thiosulphate (c) sodium phosphate (d) silver nitrate

Description : Hypo, used in photography, is chemically (a) silver bromide (b) sodium thiosulphate (c) sodium phosphate (d) silver nitrate

Last Answer : Ans:(b)

Which of the following is the lightest metal? (1) Mercury (2) Silver (3) Lithiu (4) Lead

Description : Which of the following is the lightest metal? (1) Mercury (2) Silver (3) Lithiu (4) Lead

Last Answer : (3) Lithium Explanation: The lightest or least dense metal that is a pure element is lithium, which has a density of 0.534 g/cm3. This makes lithium nearly half as dense as water, so if lithium was not so reactive, a chunk of the metal would float on water.

The metal known as quick silver?

Description : The metal known as quick silver?

Last Answer : Mercury

How do I chemically purify Enameled Copper Clad Aluminum into Copper and Aluminum?

Description : How do I chemically purify Enameled Copper Clad Aluminum into Copper and Aluminum?

Last Answer : answer:On one hand, both Cu and Al are valuable so you would want to separate and salvage both. To do that you might want to try heating up one or two pieces to 660°C and see if the Al melts off, ... waste operators who can tell you how to prepare it, before they will come pick it up (for a fee).

Blue vitriol is chemically (A) Copper sulphate (B) Ferrous sulphate (C) Copper nitrate (D) Aluminium sulphate

Description : Blue vitriol is chemically (A) Copper sulphate (B) Ferrous sulphate (C) Copper nitrate (D) Aluminium sulphate

Last Answer : (A) Copper sulphate

Alum is chemically (A) Copper sulphate (B) Aluminium sulphate (C) Ferrous sulphate (D) Ferric sulphate

Description : Alum is chemically (A) Copper sulphate (B) Aluminium sulphate (C) Ferrous sulphate (D) Ferric sulphate

Last Answer : (B) Aluminium sulphate

All alloys contain this element if they are amalga The element is: w) iron x) mercury y) gold z) platinum

Description : All alloys contain this element if they are amalga The element is: w) iron x) mercury y) gold z) platinum

Last Answer : ANSWER: X -- MERCURY

Which one of the following metals is used to galvanise iron ? (1) Copper (2) Lead (3) Zinc (4) Mercury

Description : Which one of the following metals is used to galvanise iron ? (1) Copper (2) Lead (3) Zinc (4) Mercury

Last Answer : Zinc

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.

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.

Why gold ,silver and pt are used in making ornaments?

Description : Why gold ,silver and pt are used in making ornaments?

Last Answer : Ans: Because these are nobel metals and therefore their rusting doesn,t occure and also these are very lustorous(shiny),so due to these qualities ,these are used for making ornaments.

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 of the following elements does not occur in nature as a native ore? w) silver x) gold y) platinum z) aluminum

Description : Which of the following elements does not occur in nature as a native ore? w) silver x) gold y) platinum z) aluminum

Last Answer : ANSWER: Z -- ALUMINUM

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

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

‘Freon' used as refrigerants is chemically known as - (1) chlorinated hydrocarbon (2) fluorinated hydrocarbon (3) chlorofluoro hydrocarbon (4) fluorinated aromatic compound

Description : ‘Freon' used as refrigerants is chemically known as - (1) chlorinated hydrocarbon (2) fluorinated hydrocarbon (3) chlorofluoro hydrocarbon (4) fluorinated aromatic compound

Last Answer : (3) chlorofluoro hydrocarbon Explanation: In addition to fluorine and carbon, Freons often contain hydrogen, chlorine, or bromine. Thus, Freons are types of chlorofluorocarbons (CFCs), hydrochlorofluorocarbons (HCFCs), and related compounds.

‘Plaster of paris’ chemically known as (1) Sodium Aluminate (2) Calcium sulphate (3) Spdium bicarbonate (4) Sodium acetate

Description : ‘Plaster of paris’ chemically known as (1) Sodium Aluminate (2) Calcium sulphate (3) Spdium bicarbonate (4) Sodium acetate

Last Answer : (2) Calcium sulphate Explanation: Calcium sulphate is a calcium salt that is used for a variety of purposes. It exists in various forms and states of hydration.

‘Freon' used as refrigerants is chemically known as - (1) chlorinated hydrocarbon (2) fluorinated hydrocarbon (3) chlorofluoro hydrocarbon (4) fluorinated aromatic compound

Description : ‘Freon' used as refrigerants is chemically known as - (1) chlorinated hydrocarbon (2) fluorinated hydrocarbon (3) chlorofluoro hydrocarbon (4) fluorinated aromatic compound

Last Answer : (3) chlorofluoro hydrocarbon Explanation: In addition to fluorine and carbon, Freons often contain hydrogen, chlorine, or bromine. Thus, Freons are types of chlorofluorocarbons (CFCs), hydrochlorofluorocarbons (HCFCs), and related compounds.

Aspirin is chemically known as (1) methyl salicylate (2) hydroxysalicylate (3) acetylsalicylic acid (4) alkylsalicylic acid

Description : Aspirin is chemically known as (1) methyl salicylate (2) hydroxysalicylate (3) acetylsalicylic acid (4) alkylsalicylic acid

Last Answer :  acetylsalicylic acid