Which metal was first discovered by man ? -Do You Know?

Last Answer : Wilhelm Roentgen Wilhelm Roentgen, Professor of Physics in Wurzburg, Bavaria, discovered X-rays in 1895—accidentally—while testing whether cathode rays could pass through glass.

Who discovered nucleus of an atom ? -Do You Know?

Description : Who discovered nucleus of an atom ? -Do You Know?

Last Answer : Ernest Rutherford discovered the nucleus of the atom in 1911.

Vasco da Gama discovered the sea-route to India in which year? -Do You Know?

Description : Vasco da Gama discovered the sea-route to India in which year? -Do You Know?

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By whom was Neutron discovered? -Do You Know?

Description : By whom was Neutron discovered? -Do You Know?

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Who discovered the causal organism of the disease Anthrax? -Do You Know?

Description : Who discovered the causal organism of the disease Anthrax? -Do You Know?

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Who discovered Anopheles mosquito transmit malaria? -Do You Know?

Description : Who discovered Anopheles mosquito transmit malaria? -Do You Know?

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By whom was Cholera bacillus discovered? -Do You Know?

Description : By whom was Cholera bacillus discovered? -Do You Know?

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In which year was the Harappan Civilization discovered? -Do You Know?

Description : In which year was the Harappan Civilization discovered? -Do You Know?

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By whom was oral polio vaccine discovered? -Do You Know?

Description : By whom was oral polio vaccine discovered? -Do You Know?

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By whom wwere the Saturn rings were discovered? -Do You Know?

Description : By whom wwere the Saturn rings were discovered? -Do You Know?

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Who discovered South Pole? -Do You Know?

Description : Who discovered South Pole? -Do You Know?

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Which archaeologist initially discovered the Mohenjodaro site of the Indus Valley Civilization? -Do You Know?

Description : Which archaeologist initially discovered the Mohenjodaro site of the Indus Valley Civilization? -Do You Know?

Last Answer : R. D. Banerji

Where was a copper chariot of Harappa times was discovered? -Do You Know?

Description : Where was a copper chariot of Harappa times was discovered? -Do You Know?

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In which district, have large reserves of diamond-bearing kimberlite been discovered in the recent past? -Do You Know?

Description : In which district, have large reserves of diamond-bearing kimberlite been discovered in the recent past? -Do You Know?

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When the first metal tool came into being why was it used for? -Do You Know?

Description : When the first metal tool came into being why was it used for? -Do You Know?

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Is metal a good heat shield? -Do You Know?

Description : Is metal a good heat shield? -Do You Know?

Last Answer : If used in a certain way, metal can indeed act as a good heat shield. At the same time, if metal is used in a different way, it can act as a good heat sink, which is the opposite of a heat ... of fluid. The warmth that you feel when you place your face above a mug of hot cocoa is due to convection.

Which metal is not attacked by the environment? -Do You Know?

Description : Which metal is not attacked by the environment? -Do You Know?

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What is the most abundant metal in the earth’s crust? -Do You Know?

Description : What is the most abundant metal in the earth’s crust? -Do You Know?

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Of which metal were the tools and weapons of Harappan civilisation? -Do You Know?

Description : Of which metal were the tools and weapons of Harappan civilisation? -Do You Know?

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Non-stick cooking utensils are coated with which metal? -Do You Know?

Description : Non-stick cooking utensils are coated with which metal? -Do You Know?

Last Answer : Teflon In scientific terms its called polytetrafluoroethylene

Which metal causes Itai-itai disease? -Do You Know?

Description : Which metal causes Itai-itai disease? -Do You Know?

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Which metal is used for making boats because it does not corrode by seawater? -Do You Know?

Description : Which metal is used for making boats because it does not corrode by seawater? -Do You Know?

Last Answer : Tin does not act as a sacrificial metal. Instead, it acts only as a barrier to stop air and water reaching the surface of the iron or steel. The tin layer may actually make rusting happen faster if it gets scratched, because then iron loses electrons in preference to tin.

Which metal is extracted by thermal reduction process? -Do You Know?