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

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

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

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Description : Which of the following substances undergoes chemical change on heating? (1) Sodium chloride (2) Silica (3) Lead nitrate (4) Platinum wire

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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?

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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

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Description : Gold and platinum dissolve in?

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Description : Gold; Silver and Platinum are soluble in?

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Last Answer : (A) Platinum or gold alloys

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

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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.

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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?

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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

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%

Electric fuse is an alloy of – (1) tin and lead (2) zinc and lead (3) copper and iron (4) carbon and tin

Description : Electric fuse is an alloy of – (1) tin and lead (2) zinc and lead (3) copper and iron (4) carbon and tin

Last Answer : (1) tin and lead Explanation: Electric fuse is an alloy of tin and lead.

_____ gives hardness to stainless steel. (1) Zinc (2) Lead (3) Carbon (4) Tin

Description : _____ gives hardness to stainless steel. (1) Zinc (2) Lead (3) Carbon (4) Tin

Last Answer : (3) Carbon Explanation: Iron is alloyed with carbon to make steel and has the effect of increasing the hardness and strength of iron.

Brass is made of – (1) copper and tin (2) tin and lead (3) copper and zinc (4) copper, tin and zinc

Description : Brass is made of – (1) copper and tin (2) tin and lead (3) copper and zinc (4) copper, tin and zinc

Last Answer : (3) copper and zinc Explanation: Brass is an alloy of copper and zinc; the proportions of zinc and copper can be varied to create a range of brasses with varying properties. By Comparison, bronze is principally an alloy of copper and tin.

______ gives hardness to stainless steel. (1) Zinc (2) Lead (3) Carbon (4) Tin

Description : ______ gives hardness to stainless steel. (1) Zinc (2) Lead (3) Carbon (4) Tin

Last Answer : (3) Carbon Explanation: Iron is alloyed with carbon lo make steel and has the effect of increasing the hardness and strength of iron. Pure iron cannot be hardened or strengthened by heat treatment but ... .3% carbon. The higher the carbon content, the less formable and the tougher the steel becomes.

What is used in storage batteries? (1) Copper (2) Tin (3) Lead (4) Zinc

Description : What is used in storage batteries? (1) Copper (2) Tin (3) Lead (4) Zinc

Last Answer : (3) Lead Explanation: The electrodes of the cells in a storage battery consist of lead grids. The openings of the anodic grid is filled with spongy (porous) lead. The openings of the cathodic grid ... ' storage batteries, can store a lot of charge and provide high current for short periods of time.