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Dhars from DPS EAST Bangalore , Bengaluru
Subject :NSO    Class : Class 7

In an experiment demonstrating the evolution of oxygen in Hydrilla, sodium bicarbonate is added to water in the experimental set-up. What would happen if all other conditions are favourable?

A Amount of oxygen evolved decreases as carbon dioxide in water is absorbed by sodium bicarbonate.
B Amount of oxygen evolved decreases as the availability of carbon dioxide increases.
C Amount of oxygen evolved increases as the availability of carbon dioxide increases.
D Amount of oxygen evolved increases as carbon dioxide in water is absorbed by sodium bicarbonate.


but why

Ans 1:

Aanshi from Vibgyor High, Vadodra
Class : Class 8
umm thx everyone

Ans 2:

Sanjana Iyer from HFS Powai, Mumbai
Class : Class 9
oh. ok.

Ans 3:

A Ramakrishna Rao from D A V Public School. Unit 8. Bhubaneswar , Bhubaneswar
Class : Class 6

Ans 4:

Adithya Kumble from Deens Academy, Bangalore
Class : Class 7

Ans 5:

SOMDATTA BHATTACHARYA from Delhi Public School, Dhaligaon, Bongaigaon
Class : Class 5

Ans 6:

Tejas Meshram from Bethany, Bengaluru
Class : Class 7

Ans 7:

Medha Bhutani from Christ Academy, Bengaluru
Class : Class 9
ans is C. because of sodium bicarbonate,the plants get CO2 and perform photosynthesis and give out O2

Ans 8:

Anushka kumar from DPS paradip, odisa
Class : Class 9
it must be a. as amount of oxygen decreases and when searched... gives the same answer

Ans 9:

Sumedha Mishra from xyz, School, Pune
Class : Class 8

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