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nh4ocl acid or base
nh4ocl acid or base or neutral
nh4cl acid or base or salt
nh4cl acid or base strong or weak
nh4clo acid or base
nh4cl acid or base
nh4clo4 acid or base or neutral
nh4 base or acid
nh4clo4 acid or base
nh4cl strong acid or base
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