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

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
by

1 Answer

Answer :

A. Carbon (Answer)
by

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

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Description : Is platinum jewelry more expensive than gold?

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

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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.

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

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

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What happens when gold ornament is heated with dilute nitric acid?

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Last Answer : The copper constituent of the ornament reacts with the acid forming greenish copper nitrate solution and reddish brown fumes of nitrogen dioxide. Gold remains unaffected.

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Is platinum expensive?

Description : Is platinum expensive?

Last Answer : Yes

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

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

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

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

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

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Why are gold and platinum called noble metals?

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

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

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

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

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

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

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

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

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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

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