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Define kelvin....

Define kelvin.

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### Step-by-Step Solution: 1. **Definition of Kelvin**: - Kelvin is the SI (International System of Units) unit of temperature. It is used to measure thermodynamic temperature. 2. **Measurement Context**: - Kelvin is primarily used in scientific contexts, particularly in physics and chemistry, to express temperatures in a way that is directly related to the absolute temperature scale. ...
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AAKASH INSTITUTE-SOME BASIC CONCEPTS OF CHEMISTRY -TRY YOURSELF
  1. Prefix tera and giga stands for which multiples ?

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  2. Define second.

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  3. Define kelvin.

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  4. Write the SI unit of thermodynamic temperature.

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  5. Write the SI unit of electric current.

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  6. Express 20^(@)C in kelvin scale.

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  7. Express -20^(@)C in kelvin scale.

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  8. Express 900.00 in scientific notation.

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  9. Express (2.2xx10^(4))xx(3.3xx10^(5)) in scientific notation.

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  10. Express (6.6xx10^(9))/(5.5xx10^(7)) in scientific notation.

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  11. Express (6.6xx10^(4))+(0.55xx10^(5)) in scientific notation.

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  12. Express (6.6xx10^(4))-(0.55xx10^(5)) in scientific notation.

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  13. Express the following number to two significant figures (i) 5.602792...

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  14. Express the following numbers to three significant figures. (i) 6.02...

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  15. What is the sum of 5.228 kg and 1.02 kg ? Express the result to the ap...

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  16. What will be the length of a metre stick of 5.602 m when 2.8 m portion...

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  17. The mass of a metal block is 5.432 g. If density of metal is 6.4 g//cm...

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  18. Perform the following calculations to the appropriate number of signfi...

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  19. Perform the following calculations to the appropriate number of signfi...

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  20. Convert the following in kilogram. (i) 0.91xx10^(-27)g (Mass of elec...

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