TEST OF PRACTICAL KNOWLEDGE QUESTION Credit will be given for strict adherence to the instructions, for observations precisely recorded, and for accurate in...

TEST OF PRACTICAL KNOWLEDGE QUESTION

Credit will be given for strict adherence to the instructions, for observations precisely recorded, and for accurate inferences. All tests, observations, and inferences must be clearly entered in your answer book, in ink, at the time they are made. 

C and D are two aqueous solutions. Carry out the following exercises on C and D. Record your observations and identify any gas(es) evolved. State the conclusion you draw from the result of each test.

(a)(i) To about 2 cm\(^3\) portion of C, add NaOH\(_{(aq)}\) In drops until in excess. Warm the mixture

(ii) To another 2 cm\(^3\) portion of C, add HCl\(_{(aq)}\) followed by BaCl\(_{2(aq)}\)

(b)(i) (ii) To another 2 cm\(^3\)  portion of D, add add NH\(_{3(aq)}\) drops and then in excess.

 (ii) To about 2 cm\(^3\) portion of D, add AgNO\(_{3(aq)}\)  followed by HNO\(_{3(aq)}\)