Chemistry > 2008 > 19
WASSCE
When concentrated H2SO4 is added to the NaCl(s), the gas evolved
A.
bleaches damp blue litmus paper
B.
forms a white precipitate with AgNO3(aq)
C.
forms a white precipitate with BaCl2(aq)
D.
turns moist red litmus paper blue
Answer: A
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