chemistry: exp. Test 2023

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#1. 39)The number of isomerism of alkyne has three carbon atoms, bromine atom and chlorine atom equals……….

#2. 40)An alloy consists of two elements (X) and (Y), Both are in the same period. The element (X) is from coinage elements. The element (Y) is a representative element exists in group (4A). The kind of alloy is….

#3. 41)The correct arrangement of the following solutions according to their pOH value is ………..

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