Question

Write a chemical equation of double displacement reaction. 20.State true or
false-
(a) Electric current can flow through a closed circuit only. (T/F)
(b) The direction of flow of electric current is same as the direction of
flow of electrons.(T/F)​

Answer 1

Explanation:

chemical equation of double displacement reaction are:-

NaCl + MgSO4 ------> Na2SO4 + Mgcl2.

2) state true or false.

(a) True.

(b) False. ( the direction of current is opposite to the charge)

Answer 2

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Chemical Equation of Double Displacement Reaction --->

Sodium Sulphate + Barium Chloride ---> Sodium Chloride + Barium Sulphate

Chemical Reaction for Double Displacement Reaction ---->

Na2SO4 + BaCl2 ----> 2NaCl + BASO4

True and False :-

(A) True

(B) False, oposite the direction lf flow of electrons.

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