Gold and platinum dissolve in?

Gold and platinum dissolve in?
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Aqua regia
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Description : The most malleable metal is (a) Platinum (b) Silver (c) Iron (d) Gold

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

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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

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Why did Dungeons and Dragons come up with that Platinum is worth five times as much as Gold?

Description : Why did Dungeons and Dragons come up with that Platinum is worth five times as much as Gold?

Last Answer : answer:You have to remember, the worlds of D&D are not the same as earth. It is just a mechanism by which they can reduce weight and still retain the wealth characters have in pocket. When I ... , the manuals are just guidelines, the DM can customize your world to suit your players wants and needs.

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.

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

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What is the difference between white gold and platinum? Which one is worth more?

Description : What is the difference between white gold and platinum? Which one is worth more?

Last Answer : the main difference between white gold and platinum is platinum is denser than gold and the other main difference is the weight of platinum is more than white gold. but when coming to the cost white gold is less costly than platinum. so platinum is more worth than white gold.

What is the capital of the country with the worlds largest deposits of gold manganese and platinum?

Description : What is the capital of the country with the worlds largest deposits of gold manganese and platinum?

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White Gold Vs Platinum Rings?

Description : White Gold Vs Platinum Rings?

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Is platinum jewelry more expensive than gold?

Description : Is platinum jewelry more expensive than gold?

Last Answer : Currently gold is more expensive than platinum. This changes at times.

Is a gold or platinum bracelet more expensive?

Description : Is a gold or platinum bracelet more expensive?

Last Answer : A platinum bracelet is more expensive than a gold bracelet. Platinum weighs 60% more than 14K, it is a rarity and harder than gold.

Are platinum earrings better then gold?

Description : Are platinum earrings better then gold?

Last Answer : Platinum earrings are definitely better than gold because they will never oxidize and they are hypoallergenic. They are also more expensive and also heavier.

What is the difference between white gold and platinum Which is more valuable?

Description : What is the difference between white gold and platinum Which is more valuable?

Last Answer : Platinum is more valuble because it is stronger. White gold is an alloy of gold and at least one white metal. Platinum is a pure metal.

Why are gold and platinum called noble metals?

Description : Why are gold and platinum called noble metals?

Last Answer : Because they don't react with other elements.

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 is the hardest metal? (1) Gold (2) Iron (3) Platinum (4) Tungstain

Description : Which of the following is the hardest metal? (1) Gold (2) Iron (3) Platinum (4) Tungstain

Last Answer : (4) Tungstain Explanation: Tungsten has the highest tensile strength of any natural metal, with an ultimate strength of 1510 megapascals.

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.

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

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.

The natural resource, known as black gold is – (1) coal (2) lead (3) tin (4) platinum

Description : The natural resource, known as black gold is – (1) coal (2) lead (3) tin (4) platinum

Last Answer : (1) coal Explanation: The term "coal is a black gold" is just a simple metaphor. Even today, we burn more coal than natural gas, more than nuclear, more than anything.

The hardest substance available in earth is – (1) Platinum (2) Silicon (3) Diamond (4) Gold

Description : The hardest substance available in earth is – (1) Platinum (2) Silicon (3) Diamond (4) Gold

Last Answer : (3) Diamond Explanation: Diamond is the hardest naturally occurring substance found on Earth. But it is not the hardest substance.

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.

For spinning viscose rayon, the extrusion spinnerettes are made of (A) Platinum or gold alloys (B) High carbon steel (C) Aluminium (D) Nickel

Description : For spinning viscose rayon, the extrusion spinnerettes are made of (A) Platinum or gold alloys (B) High carbon steel (C) Aluminium (D) Nickel

Last Answer : (A) Platinum or gold alloys

For transformation, micro-particles coated with DNA to be bombarded with gene gun are made up of (a) silver or platinum (b) platinum or zinc (c) silicon or platinum (d) gold or tungsten.

Description : For transformation, micro-particles coated with DNA to be bombarded with gene gun are made up of (a) silver or platinum (b) platinum or zinc (c) silicon or platinum (d) gold or tungsten.

Last Answer : (d) gold or tungsten.

The hardest substance available on earth is (1) Platinum (2) Diamond (3) Quartz (4) gold

Description : The hardest substance available on earth is (1) Platinum (2) Diamond (3) Quartz (4) gold

Last Answer : (1) Platinum

What is the expected result for each of the following test cases? A. Citibank card member, holding a Silver room B. Non Citibank-member, holding a Platinum room a) A – Don’t offer any upgrade, B – Don’t offer any upgrade. b) A – Don’t offer any upgrade, B – Offer upgrade to Gold. c) A – Offer upgrade to Silver, B – Offer upgrade to Silver. d) A – Offer upgrade to Gold, B – Don’t offer any upgrade

Description : What is the expected result for each of the following test cases? A. Citibank card member, holding a Silver room B. Non Citibank-member, holding a Platinum room a) A - Don't offer any upgrade, B - Don't ... , B - Offer upgrade to Silver. d) A - Offer upgrade to Gold, B - Don't offer any upgrade

Last Answer : d) A – Offer upgrade to Gold, B – Don’t offer any upgrade

South Africa is the world's largest producer of 3 metals. Platinum and Gold are 2 of them, what’s the third?

Description : South Africa is the world's largest producer of 3 metals. Platinum and Gold are 2 of them, what’s the third?

Last Answer : Answer: Chromite

For transfomation, micro-particles coated with DNA to be bombarded with gene gun are made up of (1) Gold or Tungsten (2) Silver or Platinum (3) Platinum or Zinc (4) Silicon or Platinum

Description : For transfomation, micro-particles coated with DNA to be bombarded with gene gun are made up of (1) Gold or Tungsten (2) Silver or Platinum (3) Platinum or Zinc (4) Silicon or Platinum

Last Answer : (1) Gold or Tungsten

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

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

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 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

The natural resource, known as black gold is (1) coal (2) lead (3) tin (4) platinum

Description : The natural resource, known as black gold is (1) coal (2) lead (3) tin (4) platinum

Last Answer : coal

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

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

Last Answer : Tungsten

Two alloys contain platinum and gold in the ratio of 1:2 and 1:3 respectively. A third alloy C is formed by mixing alloys one and alloy two in the ratio of 3:4. Find the percentage of gold in the mixture a) 79.2/7% b) 71.2/7% c) 73.2/7% d) 71.3/7% e) None of these

Description : Two alloys contain platinum and gold in the ratio of 1:2 and 1:3 respectively. A third alloy C is formed by mixing alloys one and alloy two in the ratio of 3:4. Find the percentage of gold in the mixture a) 79.2/7% b) 71.2/7% c) 73.2/7% d) 71.3/7% e) None of these

Last Answer : Answer: D Platinum = 1/3 and 1/4 gold = 2/3 and 3/4 Alloy one and two are mixed in the ratio of 3:4, so ratio of platinum and gold in final ratio – 2:5 So gold % = (5/7)*100 71.3/7%

To all chemists: What sort of compound would dissolve clothing, yet not at all react with skin and hair?

Description : To all chemists: What sort of compound would dissolve clothing, yet not at all react with skin and hair?

Last Answer : Lots of moths and larva can eat clothes and leave skin and hair alone. Biology not chemistry. I hope it helps. Have fun making a slime monster.

A solution is said to be _______ if it cannot dissolve more of the substance in it. -Science

Description : A solution is said to be _______ if it cannot dissolve more of the substance in it. -Science

Last Answer : When a solution reaches the point where it cannot dissolve any more solute it is considered "saturated." If a saturated solution loses some solvent, then solid crystals of the solute will start to form

Plastic will dissolve in?

Description : Plastic will dissolve in?

Last Answer : Chloroform

Will borax dissolve in oils?

Description : Will borax dissolve in oils?

Last Answer : No, I don’t think so, since it is a sodium (salt) compound.

Is it safe to crush pills and dissolve them in water?

Description : Is it safe to crush pills and dissolve them in water?

Last Answer : It's ok for some meds and not for others. You can always ask the pharmacist or call the drug company. A basic rule is don't open up capsules, but even with capsules it's sometimes ok. Crushing an ... drink plenty of water. Having a little food wth it is good too, even if it's just a cracker.

Is there a way to dissolve spider webs on the centers of humming bird feeders?

Description : Is there a way to dissolve spider webs on the centers of humming bird feeders?

Last Answer : answer:Yep. I flash mine with my Bernzomastic TS4000 torch.nI use the standard green propane canister, not the yellow MAPP gas canister. A quick flash is all it takes. Poof! I also use it to clear out the spider webs that collect on my car. Note: This will also clear out the spider.

Do you think a relationship really has no recourse but to dissolve if either party refuses to join in a move?

Description : Do you think a relationship really has no recourse but to dissolve if either party refuses to join in a move?

Last Answer : answer:Most likely. I did the long distance thing a few times, and besides being expensive, it’s easy to get bored with the stress of it. That said, some people enjoy all kinds of odd arrangements.

How do you dissolve friendships that do nothing but irk you?

Description : How do you dissolve friendships that do nothing but irk you?

Last Answer : Abruptly.

What makes salt dissolve a snail?

Description : What makes salt dissolve a snail?

Last Answer : answer:I think this is right. Water goes to wherever there is proportionately less water. If you put a piece of onion skin in salt water and look at it under a microscope, you'll see the cells shrink ... much just a big mucous membrane, so the water behaves the same way as that in an onion skin.

Is it safe to break apart a calcium capsule to dissolve the powder in juice?

Description : Is it safe to break apart a calcium capsule to dissolve the powder in juice?

Last Answer : I have a chewable calcium supplement – pretty sure you can open yours.

One day a alchemist brought a king a bottle holding a strange liquid. The alchemist said, 'This liquid I discovered will dissolve anything it touches.' How did the king know that he was lying? -Riddles

Description : One day a alchemist brought a king a bottle holding a strange liquid. The alchemist said, 'This liquid I discovered will dissolve anything it touches.' How did the king know that he was lying? -Riddles

Last Answer : The king knew if what he said was true the bottle would get dissolved!

Who can dissolve the Lok Sabha before its tenure? -SST 10th

Description : Who can dissolve the Lok Sabha before its tenure? -SST 10th

Last Answer : The President can dissolve the Lok Sabha before its tenure on advice of Prime Minister.

Why does a saturated salt dissolve when heated?

Description : Why does a saturated salt dissolve when heated?

Last Answer : acid is a substance that produces hydronium ions when it is dissolved in water, and a base is one that produces hydroxide ions