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Fill in the blank: ……………invented an art...

Fill in the blank:
……………invented an artifical dye.

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NAVNEET PUBLICATION-SUBSTANCES IN COMMON USE-EXERCISE
  1. The number of molecules of water of crystallization in washing soda is...

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  2. …………..is used in treatment of hyperthyroidism.

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  3. Fill in the blank: ……………invented an artifical dye.

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  4. Fill in the blank: The red colour used on Rang Panchami is very dange...

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  5. The chemical name of Teflon is……….. .

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  6. Fill in the blank: A heat resistance substance formed by kneading an ...

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  7. Choose the correct alternative and write it along with its alloted alp...

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  8. Choose the correct alternative and write it along with its alloted alp...

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  9. Choose the correct alternative and write it along with its alloted alp...

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  10. Choose the correct alternative and write it along with its alloted alp...

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  11. Choose the correct alternative and write it along with its alloted alp...

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  12. Choose the correct alternative and write it along with its alloted alp...

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  13. Choose the correct alternative and write it along with its alloted alp...

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  14. Choose the correct alternative and write it along with its alloted alp...

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  15. Choose the correct alternative and write it along with its alloted alp...

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  16. Choose the correct alternative and write it along with its alloted alp...

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  17. Choose the correct alternative and write it along with its alloted alp...

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  18. Choose the correct alternative and write it along with its alloted alp...

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  19. State whether the following statements are true or false: Salts of st...

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  20. State whether the following statements are True or False: The chemica...

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