When a solution of ammonium trioxocarbonate (IV) is added...
When a solution of ammonium trioxocarbonate (IV) is added to a solution of an unknown salt, a white precipitate which is soluble in dilute hydrochloric acid but insoluble in ethanoic acid is formed. This indicates the presence of
Ca2+
Na+
Zn2+
K+
Correct answer is A
The test indicates the presence of Ca2+.
H2 S(g) + Cl2(g) → 2HCl(g) + S(g) In the reaction above, the s...
Which of the following gases will rekindle a brightly glowing splint? ...
What is the value of n in the following equation? XO-4 +8H + + ne- → X2 + + 4H2O...
What is the chemical symbol for Selenium? ...
Zn+H2SO4→ZnSO4+H2 in the above reaction, how much zinc will be left undissolv...
Which of the following statements is INCORRECT?...
Glucose gives a brick-red precipitate with Fehling's solution because it is ...
A solid substance with high melting and boiling points is likely to be a/an ...