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What is the colour of NO2 gas?...

What is the colour of `NO_2` gas?

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MODERN PUBLICATION-CHEMICAL REACTIONS AND EQUATIONS-EXERCISE
  1. Why do we apply paint on iron articles?

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  2. Write a reaction when silver chloride exposed to light.

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  3. What is the colour of NO2 gas?

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  4. Which gas is evolved on heating calcium carbonate?

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  5. Name tha gas obtained when dil. H2SO4 is added to a zinc piece.

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  6. What is the colour of coating of copper oxide?

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  7. When iron is heated with sulphur, iron sulphide is formed. What is the...

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  8. What is the colour of residue left when ferrous sulphate is heated?

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  9. Use of electrolysis is in:

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  10. Identify the substances that are oxidised and the substance that are r...

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  11. What is the colour of product formed when barium chloride solution is ...

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  12. Say which of the following is true and false There is no need to bal...

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  13. Say which of the following is true and false The reverse of the reac...

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  14. Say which of the following is true and false The reaction : 2H2O+Hea...

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  15. Say which of the following is true and false The equation : 2Al(OH...

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  16. Say which of the following is true and false Reduction is a process ...

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  17. Say which of the following is true and false Oxidation involve loss ...

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  18. Say which of the following is true and false The substance which get...

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  19. Say which of the following is true and false Fats and oil are oxidis...

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  20. Say which of the following is true and false Double displacement rea...

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