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Water is an amphoteric substance. Justif...

Water is an amphoteric substance. Justify

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MAXIMUM PUBLICATION-Hydrogen-EXERCISE
  1. About 18% of the total production of dihydrogen is from coal. How is d...

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  2. Write any two uses of dihydrogen.

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  3. Water is an amphoteric substance. Justify

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  4. Hydrides are binary compounds of hydrogen with other elements. Give on...

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  5. H2O2 is a bleaching agtent. Why?

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  6. Complete the following reaction. (Zn(s) + NaOH(aq) rarr^(heat) ………………....

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  7. In a seminar, if you are asked to present a paper on hydrogen economy,...

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  8. Give one reaction supporting the amphoteric nature of water.

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  9. Write the names of any two electron - rich hydrides.

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  10. Complete the following reaction: [Ca(HCO3)2 (heat) gives ……………….+ H2O ...

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  11. Syn gas' is a mixture of .....

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  12. A sample of river water does not give lather with soap easily when it ...

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  13. Draw the structure of a hydrogen peroxide molecule.

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  14. Hydrogen reacts with most of the metals and non metals to form hydride...

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  15. Explain the different types of covalent hydrides with suitable example...

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  16. Hydrogen peroxide restore the colour of lead paintings. Give a reason.

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  17. Discuss the position of hydrogen in the periodic table.

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  18. Account for the following: H2O2 is a bleaching agent.

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  19. Density of ice is lower than that of water.

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  20. Hydrogen is the most abundant element in the universe. But in free sta...

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