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

The hardest substance available in earth is – (1) Platinum (2) Silicon (3) Diamond (4) Gold
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(3) Diamond Explanation: Diamond is the hardest naturally occurring substance found on Earth. But it is not the hardest substance.
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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

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Which of the following is the hardest substance? A. Copper B. Diamond (Answer) C. Iron D. Silicon

Description : Which of the following is the hardest substance? A. Copper B. Diamond (Answer) C. Iron D. Silicon

Last Answer : B. Diamond (Answer)

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.

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.

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

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Which of the following is the hardest element? (a) Copper (b) Diamond (c) Iron (d) Silicon

Description : Which of the following is the hardest element? (a) Copper (b) Diamond (c) Iron (d) Silicon

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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

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The hardest natural substance is - (1) Diamond (2) Iron (3) Graphite (4) Copper

Description : The hardest natural substance is - (1) Diamond (2) Iron (3) Graphite (4) Copper

Last Answer : (1) Diamond Explanation: Diamond is the hardest naturally occurring substance found on Earth. It is due to the giant molecular structure of diamond in which each carbon atom is covalently bonded to four other carbon atoms

Mohs scale hardest substance is diamond - what's the softest

Description : Mohs scale hardest substance is diamond - what's the softest

Last Answer : Talc

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.

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

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Hardest allotrope of carbon is - (1) diamond (2) graphite (3) coke (4) lamp black

Description : Hardest allotrope of carbon is - (1) diamond (2) graphite (3) coke (4) lamp black

Last Answer : (1) diamond Explanation: Diamond is one well known allotrope of carbon. The hardness and high dispersion of light of diamond make it useful for both industrial applications and jewellery. Diamond is ... mineral. This makes it an excellent abrasive and makes it hold polish and luster extremely well.

Hardest material is - (1) Tungsten (2) Diamond (3) Steel (4) Graphite

Description : Hardest material is - (1) Tungsten (2) Diamond (3) Steel (4) Graphite

Last Answer : (2) Diamond Explanation: Diamondsare commonly known as the hardest substance on earth, used in drill bits for cutting applications.

Hardest allotrope of carbon is (1) diamond (2) graphite (3) coke (4) lamp black

Description : Hardest allotrope of carbon is (1) diamond (2) graphite (3) coke (4) lamp black

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Name two elements that find wide application in transistor industry – (1) Silicon and Germanium (2) Carbon and Platinum (3) Iridium and Germanium (4) Tungsten and Platinum

Description : Name two elements that find wide application in transistor industry – (1) Silicon and Germanium (2) Carbon and Platinum (3) Iridium and Germanium (4) Tungsten and Platinum

Last Answer : (1) Silicon and Germanium Explanation: A transistor is a semiconductor device used to amplify and switch electronic signals and electrical power. Semiconductor material (date first used): the metalloids ... -germanium (1989), the allotrope of carbon graphene (research ongoing since 2004), etc.

Name two elements that find wide application in transistor industry (1) Silicon and Germanium (2) Carbon and Platinum (3) Iridium and Germanium (4) Tungsten and Platinum

Description : Name two elements that find wide application in transistor industry (1) Silicon and Germanium (2) Carbon and Platinum (3) Iridium and Germanium (4) Tungsten and Platinum

Last Answer : Silicon and Germanium

Q: Which is the hardest naturally occurring substance on the Earth? -General Knowledge

Description : Q: Which is the hardest naturally occurring substance on the Earth? -General Knowledge

Last Answer : Diamond is the ans

Which is the hardest natural substance found on earth?

Description : Which is the hardest natural substance found on earth?

Last Answer : Answer: Diamond

Mohs scale hardest is diamond - what's the softest?

Description : Mohs scale hardest is diamond - what's the softest?

Last Answer : Talc

The hardest form of carbon is (a) Coke (b) Graphite (c) Diamond (d) Charcoal

Description : The hardest form of carbon is (a) Coke (b) Graphite (c) Diamond (d) Charcoal

Last Answer : Ans:(c)

Hardest material so far found is (A) Diamond (B) Graphite (C) Carborundum (D) Pumice stone

Description : Hardest material so far found is (A) Diamond (B) Graphite (C) Carborundum (D) Pumice stone

Last Answer : (A) Diamond

The hardest material just prior to diamond in Mho's scale is (A) Topaz (B) Carborundum (C) Corundum (D) Calcite

Description : The hardest material just prior to diamond in Mho's scale is (A) Topaz (B) Carborundum (C) Corundum (D) Calcite

Last Answer : (C) Corundum

Hardest materials so far found is (A) Diamond (B) Graphite (C) Carborundum (D) Pumice stone

Description : Hardest materials so far found is (A) Diamond (B) Graphite (C) Carborundum (D) Pumice stone

Last Answer : (A) Diamond

The hardest material just prior to diamond in Mhos scale is (A) Topaz (B) Carborundum (C) Corundum (D) Calcite

Description : The hardest material just prior to diamond in Mhos scale is (A) Topaz (B) Carborundum (C) Corundum (D) Calcite

Last Answer : (C) Corundum

The hardest rock is (A) Marble (B) Diamond (C) Talc (D) Quartz

Description : The hardest rock is (A) Marble (B) Diamond (C) Talc (D) Quartz

Last Answer : Answer: Option B

For which of the following substances, the resistance decreases with increase in temperature? (1) Pure silicon (2) Copper (3) Nichrome (4) Platinum

Description : For which of the following substances, the resistance decreases with increase in temperature? (1) Pure silicon (2) Copper (3) Nichrome (4) Platinum

Last Answer : (3) Nichrome Explanation: Nichrome has high resistance and it is called a resistor.

For which of the following substances, the resistance decreases with increase in temperature? (1) Pure silicon (2) Copper (3) Nichrome (4) Platinum

Description : For which of the following substances, the resistance decreases with increase in temperature? (1) Pure silicon (2) Copper (3) Nichrome (4) Platinum

Last Answer : Nichrome

Is this style 14k Gold Diamond-Cut Hoop Earrings available in 24K Gold?

Description : Is this style 14k Gold Diamond-Cut Hoop Earrings available in 24K Gold?

Last Answer : 14k gold diamond earrings are usually available in 24k gold as well. Call the manufacturer to see if they carry it.

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 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 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.

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

_________ is the hardest material out of the following. (A) Boron carbide (B) Tungsten carbide (C) Hardened steel (D) Silicon carbide

Description : _________ is the hardest material out of the following. (A) Boron carbide (B) Tungsten carbide (C) Hardened steel (D) Silicon carbide

Last Answer : (A) Boron carbide

Which of the following materials is the hardest? w) calcite x) silicon carbide y) topaz z) quartz

Description : Which of the following materials is the hardest? w) calcite x) silicon carbide y) topaz z) quartz

Last Answer : ANSWER: X -- SILICON CARBIDE

Tooth enamel is the hardest substance found in the human body. What is it made up of - (1) Calcium carbonate (2) Limestone (3) Calcium phosphate (4) Calcium fluoride

Description : Tooth enamel is the hardest substance found in the human body. What is it made up of - (1) Calcium carbonate (2) Limestone (3) Calcium phosphate (4) Calcium fluoride

Last Answer : (3) Calcium phosphate Explanation: The protective layer around your teeth, called enamel, is the strongest substance that our body produces. In fact, tooth enamel is stronger than any other substance on earth except for diamonds.

Diamond is an allotrope of (a) Tin (b) Silicon (c) Sulphur (d) Carbon

Description : Diamond is an allotrope of (a) Tin (b) Silicon (c) Sulphur (d) Carbon

Last Answer : Ans:(d)

Which of the following is not an example of elemental solid dielectric? a) Diamond b) Sulphur c) Silicon d) Germanium

Description : Which of the following is not an example of elemental solid dielectric? a) Diamond b) Sulphur c) Silicon d) Germanium

Last Answer : c) Silicon

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

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

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?

Last Answer : YeahYou are my fireThe one desireBelieve when I sayI want it that wayBut we are two worlds apartCan't reach to your heartWhen you sayThat I want it that wayTell me whyAin't nothin' but a heartacheTell me whyAin't ... are (you are, you are, you are)Don't wanna hear you sayAin't nothin' but a More

White Gold Vs Platinum Rings?

Description : White Gold Vs Platinum Rings?

Last Answer : Recently, there has been a boom in desire to purchase white goldand platinum rings over more traditional metals such as gold andsilver. You will find that, at a glance, the only differencebetween ... it awhiter surface appearance, as the base color of white gold isnaturally grey in appearance. T

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.