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Write the empirical formula of the compo...

Write the empirical formula of the compounds having molecular formulae.

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The total number of structural isomers for the compound having molecular formula C_(3)H_(5)Cl is :

(a) How many significant figures are there in 1.00 xx 10^(4) ? (b) One mole of sugar contains…….. Oxygen atoms. ( c) Give an example of moleules in which the empirical formula is CH_(2)O and the ratio of molecular formula weight and empirical formula weight is 6.

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SUBHASH PUBLICATION-SOME BASIC CONCEPTS OF CHEMISTRY -THREE MARKS QUESTION WITH ANSWERS
  1. Calculate the moles of NaOH required to neutralize the solution produc...

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  2. (a) A sample of NaOH weighting 0.38 g is dissolved in water and the so...

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  3. Calculate the amount of water (g) produced by the combustion of 16 g o...

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  4. Explain the classification of matter

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  5. (a) How many significant figures are there in 1.00 xx 10^(4)? (b) On...

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  6. An organic monobasic acid was found to contain 39.5% carbon, 6.4% hydr...

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  7. Calcualte the mass of 95% pure MnO(2) to produce 35.5 g of Cl(2) as pe...

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  8. Classify the following into homogenous and heterogenous mixtures: milk...

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  9. Discuss the properties of matter.

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  10. Express the following in scientific notation: (a) 4007 (b) 0.0068 ( c)...

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  11. Express the following S.I. bases units using power 10 notations (a) 48...

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  12. Calculate the weight of CaO that can be obtained by heating 200kg of l...

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  13. 20g of sample containing Ba(OH)(2) is dissolved in 10 ml of 0.5 M HCl...

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  14. Express the following in S.I. units (a) 100 miles per hours, (b) 5 fee...

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  15. Explain law of multiple proportions with example:

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  16. Write the postulates of Daltons Atomic theory.

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  17. Define formula mass and given an example.

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  18. Write the empirical formula of the compounds having molecular formulae...

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