Give reason :
(A) Magnesium ribbon is need to be clean before burning.
(B) Chemical equation need to balance.
(C) Silver chloride turn white to grey on exposing in sunlight.
(D) A brown fumes is formed on heating lead nitrate.
(E) On diluting an acid always put acid into water not water into acid.
(F) Clothes having strain of vegetables not wash directly with soap.
(G) Pop kept away from water .
(H) Copper sulphate solution turn blue to green on adding iron nail .
(I) Reactivity of aluminium decrease when dipped into Nitric acid.
(J) Nitric acid does not produce hydrogen gas with each metal.
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