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4.88 g of KClO3 when heated produced 1.9...

4.88 g of `KClO_3` when heated produced 1.92 g of `O_2` and 2.96 g of KCl. Which of the following statements regarding the experiment is correct?

A

The result illustrates the law of conservation of mass

B

The result illustrates the law of multiple properties

C

The result illustrates the law of constant proportion.

D

None of the above laws is followed

Text Solution

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The correct Answer is:
A
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4.9 g of KClO_(3) when heated produced 1.92 g of oxygen and the residue of KCl left was found to weigh 2.96 g. Show that the data illustrates the law of conservation of mass.

Knowledge Check

  • Which of the following statement is correct regarding the universal gravitational constant G ?

    A
    G has same value in all system of units.
    B
    The value of G is same everywhere in the universe.
    C
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    D
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  • Which of the following statement is correct regarding the universal gravitational constant 'G'

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  • 1 g of Mg is burnt in a closed vessel containing 0.5 g of O_(2) . Which of the following statements is correct ?

    A
    `O_(2)` is the limiting reagent and Mg is in excess by 0.25 g
    B
    Mg is the limiting reagent and is in excess by 0.5 g
    C
    `O_(2)` is the limiting reagent and is in excess by 0.25 g
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    4.90 g of KClO_(3) when heated produced 1.92 g of oxygen and the residue (KCl) left behind weighs 2.96 g. Show that these results illustrate the law of conservation of mass.

    a mixture containing KClO_(3), KHCO_(3), K_(2) CO_(3) and KCl was heated, producing CO_(2) O_(2) and H_(2) O gases according to the following equations : {:(" "2KCl _(3)(s) to 2KCl(s) + 3O_(2)),(2KHCO_(3)(s) to K_(2)O(s) +H_(2)O(g)+2CO_(2)(g)),(" "K_(2)CO_(3)(s) to K_(2)O(s)+CO_(2)(g)):} The KCl does not react under the conditions of the reaction. If 100.0 g of the mixture produces 1 . 80 g of H_(2) O 13.20 g of CO_(2) and 4 . 0 g of O_(2) . What was the composition of the original mixture ?

    For the reaction, 2NH_(3)(g)toN_(2)(g)+3H_(2)(g) , which of the following statement is correct ?

    At constant T and P ,Which of the following statements is correct for the reaction, CO(G)+(1)/(2)O_(2)(g)rarrCO_(2)(g) ,

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