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Identify the following as metal or non-m...

Identify the following as metal or non-metal.(i) Graphite (ii) Lead (iii) Mercury (iv) Sulphur (v) Potassium (vi) Nitrogen (vii) Diamond (vii) Ozone

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MBD PUBLICATION-BASIC CONCEPT OF THEORY-QUESTION BANK
  1. Which of the following is an element?

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  2. Name two elements which act as metalloids.

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  3. Identify the following as metal or non-metal.(i) Graphite (ii) Lead (i...

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  4. Identify the following as element , compound or mixture : (i) Brass (i...

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  5. Define matter. Briefly discuss its classification.

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  6. Define matter. Briefly discuss its classification.

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  7. How many significant figures are there in the following numbers ? 43....

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  8. How many significant figures are there in the following numbers ? 12.3...

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  9. How many significant figures are there in the following numbers ? 0.0...

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  10. How many significant figures are there in the following numbers ? 4.5...

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  11. Express the following to four significant figures 1.236981

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  12. Express the following to four significant figures 45.3712

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  13. Express the following to four significant figures 23.4551

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  14. Express the following to four significant figures 12.6552

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  15. Express the following to four significant figures 2.67891xx10^3

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  16. Express the result of the following calculations to the appropriate nu...

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  17. Express the result of the following calculations to the appropriate nu...

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  18. Express the result of the following calculations to the appropriate nu...

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  19. Express the result of the following calculations to the appropriate nu...

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  20. The mass of a metal piece is 6.234 g and its density is 7.5/gcc. Calcu...

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