When formaldehyde and potassium hydroxide are heated , we get
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Which one of the following is not a mixture
Cobalt - 60 is commonly used in radiation therapy because it emits
The enzyme that converts glucose to ethyl alcohol is
A mixture of sand and naphthalene can be separated by
The M.K.S. system was first introduced by
' Yellow cake ' an item of smuggling across border s
A ‘breath test’ used by traffic police to check drunken driving uses ____?
