A colourless, odourless liquid T, gives effervescence with sodium trioxocarbonate (IV) and a white precipitate with silver trioxonitrate (V) solution T is most probably
sodium chloride solution
barium chloride solution
dilute trioxonitrate (V) acid
dilute hydrochloric acid
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This is wrong o
Na gives effervescence and the chloride forms white ppt. with AhNO3 while HNO3 gives no prep
The answer should be NaCl
i dont understand this myschool again you na sure say na my school cause the school no dey explain well abi na my lesson which one na lesson dey some mistakes make una improve oo i dey serious thank you for your cooperation.
Myschool, I commend yiur efforts, but I still ask for an improvement. How una take ask question explain another thing.
Two tests:
Effervescence with Na₂CO₃ → T must be an acid (only acids release CO₂ from carbonates).
White precipitate with AgNO₃ → T must contain chloride ions (AgCl is white).
Check the options:
NaCl → Fails test 1 (neutral, no effervescence)
BaCl₂ → Fails test 1 (neutral, no effervescence)
Dilute HNO₃ → Fails test 2 (no chloride, no white precipitate)
Dilute HCl → 
Acid + contains chloride → passes both
Answer: D. Dilute hydrochloric acid.
That's all.
Yours faithfully,
Anonymous
if your taking exam today try & answer the question
and when your done tell others that havent taken the area of concentration please let be our brothers keeper.
Please explain this question why are u continuously writing no official explanation please try explaining them
