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

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

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 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.

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 

Copper and Silver lie below in the electrochemical series and yet they are found in the combined state as sulphide in nature.Comment.

Description : Copper and Silver lie below in the electrochemical series and yet they are found in the combined state as sulphide in nature.Comment.

Last Answer : Ans. : Due to high polarizing power of Cu and Ag ions, their sulphides are even more stable than the metals. 

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 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

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

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 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 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.

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 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

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

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

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 : Mercury

Which of the following metals is stored in kerosene oil? (1) Platinum (2) Copper (3) Sodium (4) Gold

Description : Which of the following metals is stored in kerosene oil? (1) Platinum (2) Copper (3) Sodium (4) Gold

Last Answer : (3) Sodium Explanation: Owing to its extreme reactivity, sodium occurs in nature only combined in compounds never as a pure elemental metal.

The metals commonly used for electroplating are – (1) Gold, Sodium and Chromium (2) Chromium, Copper and Nickel (3) Nickel, Lead and Chromium (4) Gold, Sodium and Potassium

Description : The metals commonly used for electroplating are – (1) Gold, Sodium and Chromium (2) Chromium, Copper and Nickel (3) Nickel, Lead and Chromium (4) Gold, Sodium and Potassium

Last Answer : (2) Chromium, Copper and Nickel Explanation: The process of electroplating takes place as metals in ionic form move from a positive to negative electrode. An electric current passing through the ... ability of metal objects. Plating protects by one of two ways, either sacrificially or mechanically.

The metals commonly used for electroplating are (1) Gold, Sodium and Chromium (2) Chromium, Copper and Nickel (3) Nickel, Lead and Chromium (4) Gold, Sodium and Potassium

Description : The metals commonly used for electroplating are (1) Gold, Sodium and Chromium (2) Chromium, Copper and Nickel (3) Nickel, Lead and Chromium (4) Gold, Sodium and Potassium

Last Answer : Chromium, Copper and Nickel

Why do gold, silver and platinum occur in free state? -Chemistry 9th

Description : Why do gold, silver and platinum occur in free state? -Chemistry 9th

Last Answer : They are noble metals and are quite stable that is why they do not react with the gases present in the air such as oxygen and nitrogen so they are found in the free or native state. They do not ... it can be easily separated by adding acid to it. Hence, these metals are present in a free state

When elements that are never found free in nature but are always found combined in a compound are the?

Description : When elements that are never found free in nature but are always found combined in a compound are the?

Last Answer : These elements are very reactive.

In which type of rocks are metals like gold and copper mostly found? -Do You Know?

Description : In which type of rocks are metals like gold and copper mostly found? -Do You Know?

Last Answer : answer:

In which type of rocks are metals like gold and copper mostly found?

Description : In which type of rocks are metals like gold and copper mostly found?

Last Answer : Old Igneous

In which type of rocks are metals like gold and copper mostly found?

Description : In which type of rocks are metals like gold and copper mostly found?

Last Answer : Old Igneous

Nature The second most abundant metal found in the earth’s crust is _____. A. Iron B. Calcium C. Sodium D. Aluminum

Description : Nature The second most abundant metal found in the earth’s crust is _____. A. Iron B. Calcium C. Sodium D. Aluminum

Last Answer : ANSWER: A

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

Can you name some videos on Gold and Silver finding, smelting, and buying?

Description : Can you name some videos on Gold and Silver finding, smelting, and buying?

Last Answer : I have no idea personally but have you tried Ebay?

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)

Gold; Silver and Platinum are soluble in?

Description : Gold; Silver and Platinum are soluble in?

Last Answer : 3:1

The compound of Gold and Silver is called?

Description : The compound of Gold and Silver is called?

Last Answer : Electrum

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)

Diamond is a very expensive ornament. It is composed of a single element ------? A. Carbon (Answer) B. Gold C. Silver D. Platinum E. None of these

Description : Diamond is a very expensive ornament. It is composed of a single element ------? A. Carbon (Answer) B. Gold C. Silver D. Platinum E. None of these

Last Answer : A. Carbon (Answer)

If wealthy people who acquired it by old money are said to have been born with a silver spoon in their mouth, what of those born with a gold spoon in their mouths? Who are they?

Description : If wealthy people who acquired it by old money are said to have been born with a silver spoon in their mouth, what of those born with a gold spoon in their mouths? Who are they?

Last Answer : answer:Perhaps someone like Steve Jobs that earned his own money rather than be born into money would be someone with a gold spoon. Royalty could be said to be born with a crown on their head.

Is it possible that humans are unnaturally attracted to Gold and Silver by design (details inside)?

Description : Is it possible that humans are unnaturally attracted to Gold and Silver by design (details inside)?

Last Answer : I imagine in ancient times a shiny piece of silver or gold had the same effect as in present times the Huge TV ( 80 Inchers) appeal to people. I think that was the first time that materialism really took off?

Why do we value minerals like silver and gold?

Description : Why do we value minerals like silver and gold?

Last Answer : Pretty. Rare (relatively). Useful.

Predictions about the rate of Gold and Silver?

Description : Predictions about the rate of Gold and Silver?

Last Answer : answer:They are due for a tremendous fall. We are entering the boom portion of the economic cycle. The smart money is moving to equities. Eventually, inflation will start, and measures ... happens, probably under whatever administration comes in after Obama, commodity prices in general will crash.

Did you catch the Olympics Pairs Figure Skating yesterday ? The judges gave the gold to the pair who made a deduct a point kind of mistake and the the silver to the flawless pair. Has anything started in the way of contest?

Description : Did you catch the Olympics Pairs Figure Skating yesterday ? The judges gave the gold to the pair who made a deduct a point kind of mistake and the the silver to the flawless pair. Has anything started in the way of contest?

Last Answer : Well I figured they (the judges) know better and maybe because the gold medalists were skating forever (over 18 years) and this was their last chance and then they were going to go off and make babies after and also because Canada is afraid of China (okay the last two reasons are false)

Do people really have unwanted gold, silver or platinum?

Description : Do people really have unwanted gold, silver or platinum?

Last Answer : I assume it is a scam. We have your stuff now, cash the check for 10 dollars and STFU. Commercials aren’t cheap and that money has to come from somewhere.

What would be the advantages and disadvantages if President Obama was to issue gold or silver backed certificates instead of injecting trillions into the economy?

Description : What would be the advantages and disadvantages if President Obama was to issue gold or silver backed certificates instead of injecting trillions into the economy?

Last Answer : There is not enough gold or silver available unless their value was extremely inflated.

Advice on buying gold and silver coins?

Description : Advice on buying gold and silver coins?

Last Answer : First buy gold they do better than the silver. Buying US gold coins has done well for me. You can get them from the US Mint online. Buying from dealers can be risky if you are new at it.

Most places I saw rank the countries by count of gold medal first, then silver then bronze, why do US websites go by total medal count by default?

Description : Most places I saw rank the countries by count of gold medal first, then silver then bronze, why do US websites go by total medal count by default?

Last Answer : I think its because of the sheer number of athletes that the US sends to the Olympics. Because of the large number of athletes, people are more concerned with the large number of medals first ( ... this way, but I would imagine that other countries with large numbers of athletes would do the same.

Was US Dollar ever backed by gold and silver?

Description : Was US Dollar ever backed by gold and silver?

Last Answer : Yes. Nixon took us off the gold standard.