Question 9 - CBSE Class 10 Sample Paper Science Solution - For 2023 Boards - Solutions to CBSE Sample Paper - Science Class 10

Last updated at April 16, 2024 by Teachoo

Observe the experimental setup shown below. Name the chemical indicated as ‘X’ that can absorb the gas which is evolved as a byproduct of respiration

Question 9 - Observe the experimental - teachoo.jpg

NaOH
KOH
Ca (OH) ₂
K ₂ CO ₃

Answer:

This is an activity to show that Carbon Dioxide is necessary for photosynthesis .
Carbon dioxide is a gas that is released as a byproduct of respiration in both humans and plants.
KOH is kept in a watch glass under a bell jar to absorb all CO2 present in the bell jar.

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