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Ethanol boils at a lower temperature of…...

Ethanol boils at a lower temperature of…….

A

About `60^@`C

B

About `65^@`C

C

About` 70^@`C

D

About `75^@`C

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VGS PUBLICATION-BRILLIANT-RESPIRATION-EXERCISE
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  2. Ethanol and ethanal are separated from their mixture using the reagent

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  3. Ethanol boils at a lower temperature of…….

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  4. Identify the scientist. " Respiration was a process like combustion"

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  5. Read the following table answer the following questions. Skin is t...

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  6. In plants gaseous exchange occurs through ?

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  7. The rate of diffusion of respiratory gases is affected by:

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  8. In which plants we can observe a special tissue to produce oxygen for ...

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  9. Write the adaptations seen in plants living in water logged conditions...

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  10. Respiration is a catabolic process because of

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  11. During daytime the rate of this process is usually higher than respira...

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  12. The partial pressure of oxygen in the alveoli of the lungs is

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  13. Vocal cords are present in this part of respiration system

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  14. In earthworm hameoglobin is present in

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  15. Name the part that plays major role in respiratory movements in woman ...

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  16. Animals which live on land are called

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  17. Most animals that live in deep oceanic waters are :

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  18. Amphibious animal

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  19. Animals that can live both on land and water are called

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  20. In man nostrils open into

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