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Fill in the blanks : Lemon juice cause...

Fill in the blanks :
Lemon juice causes stain on_______floor.

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JNAN PUBLICATION-ROLE OF SUBSTANCES IN ENVIRONMENT-EXAMPLE
  1. Fill in the blanks : Bases soluble in water are known as.

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  2. Fill in the blanks : All are bases but all bases are not alkalis.

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  3. Fill in the blanks : Lemon juice causes stain onfloor.

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  4. Fill in the blanks : The concentrated alkali solution is extremely h...

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  5. Fill in the blanks : Our body also contains acid in the .

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  6. Fill in the blanks : of Calcium in our body is in our bones.

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  7. Fill in the blanks : is necessary for deposition of Calcium in the b...

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  8. Fill in the blanks : One important constituent of our blood is .

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  9. Fill in the blanks : To meet the demand of salt in reserve forests t...

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  10. Fill in the blanks : helps in maturation of brain, so it is essenti...

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  11. Fill in the blanks : Generally iodine deficiency problems are more i...

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  12. Fill in the blanks : The fibres in the plant body are made of differ...

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  13. Fill in the blanks : The muscles, tendons, ligaments etc of animal b...

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  14. Fill in the blanks : is the sodium or potassium salt of some organi...

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  15. Fill in the blanks : is used for writing or printing is mixture of ...

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  16. Fill in the blanks : is a mixture of oxides and Silicate compounds ...

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  17. Fill in the blanks : Some of the widely consmed soft drinks in our c...

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  18. State whether True or False. Carbonic acid is present in vinigar.

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  19. State whether True or False. Apple contains malic acid.

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  20. State whether True or False. Lactic acid is present in curd.

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