NCERT Important Questions Class 10 Science
CBSE 2022-2023.
NCERT Book Extra Questions for Session 2022-2023
CBSE Board and UP Board Others state Board
NCERT book extra.
Shubham sets up the apparatus to show that CO ₂is evolved during respiration. After 3 hours he would observe:
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Water rises in bent tube in the beaker as KOH present in flask absorbs CO₂ released
by respiring seeds and creates vaccum, which results in water rising in the tube.