who
12. Complete the following equations:
CH3COOC2H5 - NAOH →
(O) CH3COOH + Na2CO3 ->
OHCON
c) P6304 -HCI →
camo (dy C2H5OH
M.
CH3COOH →
le) CuSO4 - K →
14. Give the characteristic tests for the following gases:
(a) Co2 (b) SO2 (c) 02 (d) H2
15. Which of the following reactions is possible? Explain giving suitable reason.
(a) Zn (s). CuSO4 (aq) → ZnSO4 (aq) + Cu(s) (b) Fe (s) + ZnSO4(aq) → FeSO4 (aq). Zn (5)
(c) Zn (s) FeSO4(aq) → ZnSO4 (aq) + Fe (s) (d) Mg(s) + ZnSO4(aq) → MgSO4(aq) + Zn (5)
re) Al (s) + ZnSO4(aq) → Al(SO4)3(aq) + Zn (s)
16. Solve the cross puzzle-
Across
Water breaks into hydrogen and oxygen on passing electric current (12 words)
On an
Copper reacts with oxygen to form blackcopper oxide (9 words)
Copper oxide reacts with hydrogen toform reddish brown copper and water(5 words)
question 15
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