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What are ionic and molecular compounds? ...

What are ionic and molecular compounds? Give exmples.

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DINESH PUBLICATION-ATOMS AND MOLECULES-LONG ANSWER QUESTIONS
  1. Cinnabar (HgS) is a prominent ore of mercury. How many grams of mercur...

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  2. The mass of one steel screw is 4.11 g. Find the mass of the of one mol...

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  3. A sample of vitamin C is known to contain 2.58 xx 10^(24) oxygen atoms...

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  4. Raunak took 5 moles of carbon atoms in a container and Krish also took...

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  5. Fill in the missing data in the given table

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  6. The visible universe is estimated to contain 10^(22) stars. How many m...

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  7. What is the SI prefix for each of the following multiples and submulti...

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  8. Express each of the following in kilograms a) 5.84 xx 10^(-3)mg b)...

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  9. Compute the difference in masses of 10^(3) moles of each of magnesium ...

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  10. Which has more number of atoms? 100g of N(2) or 100g of NH(3)

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  11. Compute the number of ions present in 5.85g of sodium chloride.

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  12. A gold sample contains 90% of gold and the rest copper. How many atoms...

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  13. What are ionic and molecular compounds? Give exmples.

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  14. Compute the difference in masses of one mole each of aluminium atoms a...

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  15. A silver ornament of mass 'm' gram is polished with gold equivalent to...

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  16. A sample of ethane (C(2)H(6)) gas has the same mass a 1.5 xx 10^(20) m...

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  17. Fill in the blanks. a) In a chemical reaction, the sum of the masses...

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  18. Complete the followiing crossword puzzle by using the nameof the chemi...

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  19. Write the formulae for the following and calculate the molecular mass ...

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  20. In photosynthesis, 6 molecules of carbon combine with an equal number ...

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