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Which substance / tool is used to test t...

Which substance / tool is used to test the gases, `H_2` and `CO_2`?

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Verified by Experts

1) A burning candle or a stick with flame is used to test `H_2` gas.
2) Lime water `(Ca(OH)_2)` is u sed to test `CO_2` gas.
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VGS PUBLICATION-BRILLIANT-ACIDS, BASES AND SALTS -Section-2
  1. Why do acids not show acidic behaviour in the absence of water?

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  2. Why pura acetic acid does not turn blue litmus to red?

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  3. Which substance / tool is used to test the gases, H2 and CO2?

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  4. Name the required substances to perform a neutralization reaction in y...

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  5. What precaution to be taken while diluting the con. Acid?

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  6. How do Plaster of Paris obtain from gypsum?

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  7. What is the change you observe in litmus paper with acid ?

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  8. What is the change you observe in litmus paper with base ?

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  9. Explain the procedure that you follow to reduce water from a given sal...

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  10. Write the observations, when the hydrated salt or unhydrated salt is h...

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  11. Write some olfactory and artificial indicators

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  12. Fill the table with given substances NaCl,Al(SO2)3,Na2CO3,CuSO4,HCl,...

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  13. Write some acids, bases and salts.

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  14. label the parts of the figure in the experiment acid react with metal,...

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  15. Label the parts in the given figure

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  16. Label the parts in the given figure

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  17. What do the given symbol represents?

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  18. How do you appreciate the olfactory indicators?

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  19. How do you appreciate the Plaster of Paris?

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  20. How does neutralization reaction helps us ?

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