Chemically, washing soda is
(A) N2CO3
(B) NaHCO3
(C) KOH
(D) none of these 20. In the soil profile, ______ is made up of small lumps of rocks with cracks and crevices. (A) A-horizon (B) B-horizon (C) C-horizon (D) D-horizon
Answers
Answered by
3
b. NaHCO3
c. C-horizon
c. C-horizon
Answered by
3
(a).Na2CO3 is the answer
20.c-horizon
20.c-horizon
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