German silver is an alloy of
1). copper nickel and silver
2). silver copper and aluminium
3). zinc copper and nickel
4). zinc silver and copper
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3. The most electronegative element among the following is
4. Question 7.24:Write the conditions to maximize the yield of H2SO4 by Contact process.
6. Question 2.24:What is the lowest value of n that allows g orbitals to exist?
7. The (O-H) bond in CH3OH is _____.
8. Hydrogen is not found In atmosphere because