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Record your observations when you test t...

Record your observations when you test the following substances with the indicators Phenolphthalein and Methyl Orange. Substances : Cold drink, Lemon Juice, Grape Juice, Bathing soap, detergent soap, Lime water and Sugar.

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VGS PUBLICATION-BRILLIANT-ACIDS AND BASES-EXERCISE
  1. Take the following substances and test them with Phenolphthalein and M...

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

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

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

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

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

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

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

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

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  10. What acids are present in the following substances ? Collect the infor...

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  11. You are asked to find out the acids present in the substances? placed ...

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  12. Grapes, Palm oil, Amla (emblica fruit) and Urine are put before you. Y...

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  13. Write the names of some substances that contain bases that we use in o...

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  14. Methyl orange and Phenolphthalein are indicators. Collect the informat...

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  15. What sort of food do we eat ?

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  16. What kind of tastes do food substances we eat have?

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  17. Do you find any difference in the taste of a raw and a ripe fruit ?

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  18. Do substances change their taste when cooked ?

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  19. Add sugar to lemon juice. What change do you notice in the taste ?

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  20. Is there any difference in the taste of lemon juice without sugar ?

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