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A piece of metal is 3 inch (represented ...

A piece of metal is 3 inch (represented by in) long. What is its length in cm?

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To convert the length of a piece of metal from inches to centimeters, follow these steps: ### Step-by-Step Solution: 1. **Identify the Conversion Factor**: We know that 1 inch is equal to 2.54 centimeters. 2. **Set Up the Conversion**: ...
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NCERT-SOME BASIC CONCEPTS OF CHEMISTRY -EXERCISE
  1. A piece of metal is 3 inch (represented by in) long. What is its lengt...

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  2. Calculate the molecular mass of the following: a. H(2)O b. CO(2) ...

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  3. Calculate the mass precent of different elements present in sodium sul...

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  4. Determine the empirical formula of an oxide of iron which has 69.9% ir...

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  5. Calculate the amount of carbon dioxide that could be produced when a...

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  6. Calculate the mass of sodium acetate (CH(3)COONa) required to make 500...

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  7. Calculate the concentration of nitric acid in moles per litre in a sam...

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  8. How much copper can be obtained from 100g of copper sulphate (CuSO(4))...

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  9. Determine the molecular formula of an oxide of iron in which the mass ...

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  10. Calculate the atomic mass (average) of chlorine using the following da...

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  11. In three moles of ethane (C(2)H(6)), calculate the following: (i) N...

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  12. What is the concentration of sugar (C(12)H(22)O(11)) in mol L^(-1) if ...

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  13. If the density of methanol is 0.793 kg L^(-1) what is its volume neede...

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  14. Pressure is determined as force per unit area of the surface. The SI u...

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  15. What is the SI unit of mass? How is it defined?

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  16. Match the following prefixes with their multiples: {:(,"Prefixes","...

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  17. What do you mean by significant figures?

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  18. A sample of drinking water was found to be severely contaminated with ...

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  19. Express the following in the scientific notation: a. 0.0048 b. 234...

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  20. How many significant figures are present in the following? a. 0.0025...

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  21. Round up the following upto three significant figures: a. 34.216 b...

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