Question

(iv) Chemical formula of washing soda is
(v) Tubes which collect blood from different organs and bring it back to heart is
(vi) Onion and Vanilla extract are
solution.
(vii) Finger- like projections in small intestine are​

Answer 1

Answer:

(iv)The chemical formula of washing soda is Na2co3.10 H20

(v)veins

(vi)they are olfactory indicators

(vii)viili

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