Rutherford
Dalton
Granule
none of these
1 Curie of activity is equivalent to
2-Acetoxybenzoic acid is
220 g of carbon dioxide contains .......... moles.
A ‘breath test’ used by traffic police to check drunken driving uses _?
A catalyst
A catalyst remains unchanged at the end of the reaction with regard to
A chemical used in photography is
A common fluorescent tube contains
A dark purple compound used as an antiseptic and disinfectant is
A Dewar flask is usually used to
