Posted by Liz on Wednesday, December 15, 2010 at 5:12pm.
I believe bromthymol blue will turn yellow with HNO2. I can't read c. Both a and d are false.
c) Ca (s) reacts and produces Co2(g)
Can you explain to me why it's b please?
Nevermind, I think I understand it now.
Thanks.
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