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Subject :NSO    Class : Class 7

Sakshi performs a chemical reaction in the laboratory. The change in the position of the molecules is represented in the given figure.

Which of the following chemical reactions was performed by Sakshi?

ACaO (aq) + CO2 (g)--->CaCO3 (aq)
B2H2 (g) + O2(g)--->2H2O (l)
CNa (s) + O2 (g) ---> Na2O (s)
DH2 (g) + Cl2 (g)---> 2HCl (g)

Ans 1:

Class : Class 8
Sakshi's experiment was realllly interesting !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! The ans is [ C ]

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