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The gas evolved in the iron nail dipped ...

The gas evolved in the iron nail dipped in copper sulphate and sulphuric acid solution experiment is_______

A

Carbon dioxide

B

Hydrogen

C

Oxygen

D

Nitrogen

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NCERT TELUGU-CHANGS AROUND US-EXERCISE
  1. The metal that burns with a dazzling light when burnt in oxygen:

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  2. The gas liberated when venegar is added to baking soda is

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  3. When an iron nail is immersed in copper sulphate solution, the colour ...

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  4. When carbondioxide gas is passed through lime water, the following cha...

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  5. when iren nail is dipped in glass container containg coppur sulphate a...

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  6. Carbondioxide turns lime water into milky white due to the formation o...

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  7. Rearrange the following sentences in a correct order (i)You observe bu...

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  8. In galvanization process, iron is coated withmetal

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  9. Which of the following gas turns lime water to milky

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  10. The metal which is burning with dazzling light as shown in the

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  11. The gas evolved in the iron nail dipped in copper sulphate and sulphur...

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  12. To prevent rusting the handle bar of a bicycle is coated with

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  13. Browning of vegetables such as cut brinjals or potatoes can be prevent...

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  14. The rusting of iron takes place quickly in

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  15. Change of colour of vegetables can be avoided by rubbing with

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  16. Fill in the blanks in the following statements. The chemical name of v...

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  17. Fill in the blanks in the following statements. Changes in which onlyp...

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  18. Fill in the blanks in the following statements. Changes in which new s...

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  19. Fill in the blanks in the following statements. Magnesium + Oxygen giv...

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  20. Fill in the blanks in the following statements. Copper sulphate + Iron...

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