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If water sample are taken from sea, rive...

If water sample are taken from sea, rivers or lake, they will be found to contain hydrogen and oxygen in the approximate ratio of `1 : 8`. This indicates the law of :

A

conservation of mass

B

constant proportions

C

multiple proportions

D

gaseous volumes

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The correct Answer is:
B
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BHARATI BHAWAN (ENGLISH)-PRACTICALS -EXERCISE
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  2. During the melting of ice, temperature .

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  3. If water sample are taken from sea, rivers or lake, they will be found...

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  4. The scientist who heated tin in a retort to verify the law of convserv...

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  5. The element essentially present in all acids is

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  6. The gas evolved when zinc reacts with dilture HCl is

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  7. When a drop of dilute hydrochloric acid is added to a blue litmus pape...

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  8. The gas evolved when solid sodium carbonate is treated with dilute HCl...

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  9. Which of the following compounds will react with hydrochloric acid to ...

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  10. Which of the following compounds in solution will make blue litmus pap...

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  11. A solution of hydrochloric acid is dropped on baking soda. The gas evo...

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  12. The solution of a substance in water is slippery. It combines with an ...

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  13. When a red litmus paper treated with sodium hydroxide solution , the c...

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  14. One of the metals which reacts with hot sodium hydroxide solution to p...

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  15. A colourless liquid truns neither blue litmus red nor red litmus blue

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  16. The chemical substance present in limewater is

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  17. Acid rain is

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  18. Which of the following is determined with the help of universal indica...

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  19. Which of the following is an alkali ?

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  20. Which of the following ions can turn red litmus solution blue ?

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