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What are indicators ? How are they usefu...

What are indicators ? How are they useful ?

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    VGS PUBLICATION-BRILLIANT|Exercise EXERCISE|84 Videos

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VGS PUBLICATION-BRILLIANT-ACIDS AND BASES-EXERCISE
  1. Describe the uses of Acids, Bases and Salts.

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  2. Which are called chemical Indicators ?

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  3. What are indicators ? How are they useful ?

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  4. Are there any acids apart from natural acids ? What are they ?

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  5. You might have touched soap water or lime water. How do you feel ? Wha...

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  6. Who discovered Hydrogen? What is its colour?

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  7. Write the properties of acids and bases from your observations with th...

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  8. Are all neutral solutions salts? Give example.

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  9. How do you draw a red flower using indicators to get the desired colou...

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  10. Turmeric paper is a natural indicator, along with turmeric indicator p...

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  11. How can you prepare a base by doing a simple experiment ?

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  12. Take the following substances and test them with Phenolphthalein and M...

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  13. What changes in colour take place in the indicators Phenolphthalein an...

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  14. Record your observations when you test the following substances with t...

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  15. How can you prepare Hydrogen in the laboratory by a simple experiment ...

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  16. How do you prepare carbondioxide ? What substances do you need for its...

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  17. When is the solution made by mixing an acid and a base, a neutral solu...

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  18. What are your conclusions from the experiment done in the above questi...

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  19. Test the following salt substances with red litmus and blue litmus pap...

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  20. Collect some salt substances with the help of your teacher. Make their...

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