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Observe the diagram and write which gas ...

Observe the diagram and write which gas is evolved from the test tube if the flame of the matchstick puts off with a sound.

A

oxygen

B

nitrogen

C

carbon dioxide

D

other

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NCERT TELUGU-Acid And Bases -Exercise
  1. Reaction colour of Methyl orange with acids is…………….

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  2. Reaction colour of Mythyl orange with base is……………..

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  3. The copper is coated with…………

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  4. Which one is used as an anti acid?

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  5. Urine consists of……………acid.

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  6. Tooth paste is……………..in nature.

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  7. Why are pickles, jams, jellies preserved in glass, porcelein and plast...

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  8. Read the table and answer the questions:

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  9. Read the table and answer the questions:

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  10. Read the table and answer the questions:

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  11. Mention different food substances related to the taste.

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  12. write what is formed in the plate when magnesium ribbon is burned. Wha...

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  13. Observe the figure: What is the acid in the experiment. Find out the p...

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  14. Observe the diagram and write which gas is evolved from the test tube ...

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  15. What is the man doing in the figure? Write two lines about it.

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  16. Match the following:

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  17. Mention the medicines used to treat acidity. Give some suggestions to ...

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  18. What are acid rains? How are they formed? Write the effects of acid ra...

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  19. Write some occasions that are linked with usage of acids and bases in ...

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  20. How do you feel about nature? It is a big natural laboratory that cont...

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